diff --git a/better-air-filtering/data.lua b/better-air-filtering/data.lua
index 97d4fd6..3b86937 100644
--- a/better-air-filtering/data.lua
+++ b/better-air-filtering/data.lua
@@ -1,4 +1,5 @@
 require("prototypes.entity")
 require("prototypes.item")
+require("prototypes.fluid")
 require("prototypes.recipe")
 require("prototypes.technology")
diff --git a/better-air-filtering/graphics/icons/fluid/pollution-gas.png b/better-air-filtering/graphics/icons/fluid/pollution-gas.png
new file mode 100755
index 0000000..801ae52
Binary files /dev/null and b/better-air-filtering/graphics/icons/fluid/pollution-gas.png differ
diff --git a/better-air-filtering/graphics/icons/fluid/pollution.png b/better-air-filtering/graphics/icons/fluid/pollution.png
new file mode 100755
index 0000000..2bbc003
Binary files /dev/null and b/better-air-filtering/graphics/icons/fluid/pollution.png differ
diff --git a/better-air-filtering/prototypes/entity.lua b/better-air-filtering/prototypes/entity.lua
index d1194fd..470133c 100644
--- a/better-air-filtering/prototypes/entity.lua
+++ b/better-air-filtering/prototypes/entity.lua
@@ -1,184 +1,195 @@
 data:extend({
-  {
-    type = "fuel-category",
-    name = "pollution-filter"
-  },
-  {
-    type = "assembling-machine",
-    name = "air-filter-machine",
-    icon = "__better-air-filtering__/graphics/icons/air-filter-machine.png",
-    icon_size = 32,
-    flags = {"placeable-neutral", "placeable-player", "player-creation"},
-    minable = {hardness = 0.2, mining_time = 0.5, result = "air-filter-machine"},
-    fast_replaceable_group = "air-filter-machine",
-    max_health = 150,
-    corpse = "big-remnants",
-    collision_box = {{-1.2, -1.2}, {1.2, 1.2}},
-    selection_box = {{-1.5, -1.5}, {1.5, 1.5}},
-    animation =
     {
-      filename = "__better-air-filtering__/graphics/entity/air-filter-machine.png",
-      priority = "high",
-      width = 99,
-      height = 102,
-      frame_count = 32,
-      line_length = 8,
-      shift = {0.4, -0.06}
+        type = "fuel-category",
+        name = "pollution-filter"
     },
-    open_sound = { filename = "__base__/sound/machine-open.ogg", volume = 0.85 },
-    close_sound = { filename = "__base__/sound/machine-close.ogg", volume = 0.75 },
-    working_sound =
     {
-      sound = { { filename = "__base__/sound/electric-furnace.ogg", volume = 0.7 } },
-      idle_sound = { filename = "__base__/sound/idle1.ogg", volume = 0.6 },
-      apparent_volume = 1.5,
+        type = "assembling-machine",
+        name = "air-filter-machine",
+        icon = "__better-air-filtering__/graphics/icons/air-filter-machine.png",
+        icon_size = 32,
+        flags = { "placeable-neutral", "placeable-player", "player-creation" },
+        minable = { hardness = 0.2, mining_time = 0.5, result = "air-filter-machine" },
+        fast_replaceable_group = "air-filter-machine",
+        max_health = 150,
+        corpse = "medium-remnants",
+        alert_icon_shift = util.by_pixel(-3, -12),
+        collision_box = { { -1.2, -1.2 }, { 1.2, 1.2 } },
+        selection_box = { { -1.5, -1.5 }, { 1.5, 1.5 } },
+        animation =
+        {
+            filename = "__better-air-filtering__/graphics/entity/air-filter-machine.png",
+            priority = "high",
+            width = 99,
+            height = 102,
+            frame_count = 32,
+            line_length = 8,
+            shift = { 0.4, -0.06 }
+        },
+        open_sound = { filename = "__base__/sound/machine-open.ogg", volume = 0.85 },
+        close_sound = { filename = "__base__/sound/machine-close.ogg", volume = 0.75 },
+        working_sound =
+        {
+            sound = { { filename = "__base__/sound/electric-furnace.ogg", volume = 0.7 } },
+            idle_sound = { filename = "__base__/sound/idle1.ogg", volume = 0.6 },
+            apparent_volume = 1.5,
+        },
+        fluid_boxes =
+        {
+            {
+                production_type = "input",
+                pipe_picture = assembler3pipepictures(),
+                pipe_covers = pipecoverspictures(),
+                base_area = 10,
+                base_level = -1,
+                pipe_connections = { { type = "input", position = { 0, -2 } } },
+                secondary_draw_orders = { north = -1 }
+            },
+            off_when_no_fluid_recipe = true
+        },
+        crafting_categories = { "crafting-air-filter" },
+        crafting_speed = 1.0,
+        energy_source =
+        {
+            type = "burner",
+            fuel_category = "pollution-filter",
+            usage_priority = "secondary-input",
+            fuel_inventory_size = 1,
+            burnt_inventory_size = 1,
+            emissions = -0.06
+        },
+        energy_usage = "1MW",
+        fixed_recipe = "filter-air",
+        ingredient_count = 1,
+        module_slots = 0,
+        allowed_effects=nill
     },
-    crafting_categories = {"crafting-air-filter"},
-    crafting_speed = 1.0,
-    energy_source =
     {
-      type = "burner",
-      fuel_category = "pollution-filter",
-      usage_priority = "secondary-input",
-      fuel_inventory_size = 1,
---      burnt_inventory_size = 1,
-      emissions = -0.06
+        type = "assembling-machine",
+        name = "air-filter-machine-mk2",
+        icon = "__better-air-filtering__/graphics/icons/air-filter-machine-mk2.png",
+        icon_size = 32,
+        flags = { "placeable-neutral", "placeable-player", "player-creation" },
+        minable = { hardness = 0.2, mining_time = 0.5, result = "air-filter-machine" },
+        fast_replaceable_group = "air-filter-machine",
+        max_health = 150,
+        corpse = "medium-remnants",
+        alert_icon_shift = util.by_pixel(-3, -12),
+        collision_box = { { -1.2, -1.2 }, { 1.2, 1.2 } },
+        selection_box = { { -1.5, -1.5 }, { 1.5, 1.5 } },
+        animation =
+        {
+            filename = "__better-air-filtering__/graphics/entity/air-filter-machine-mk2.png",
+            priority = "high",
+            width = 99,
+            height = 102,
+            frame_count = 32,
+            line_length = 8,
+            shift = { 0.4, -0.06 }
+        },
+        open_sound = { filename = "__base__/sound/machine-open.ogg", volume = 0.85 },
+        close_sound = { filename = "__base__/sound/machine-close.ogg", volume = 0.75 },
+        working_sound =
+        {
+            sound = { { filename = "__base__/sound/electric-furnace.ogg", volume = 0.7 } },
+            idle_sound = { filename = "__base__/sound/idle1.ogg", volume = 0.6 },
+            apparent_volume = 1.5,
+        },
+        fluid_boxes =
+        {
+            {
+                production_type = "output",
+                pipe_picture = assembler3pipepictures(),
+                pipe_covers = pipecoverspictures(),
+                base_area = 10,
+                base_level = 1,
+                pipe_connections = { { type = "output", position = { 0, 2 } } },
+                secondary_draw_orders = { north = -1 }
+            },
+            off_when_no_fluid_recipe = true
+        },
+        crafting_categories = { "suck-air" },
+        crafting_speed = 1.0,
+        energy_source =
+        {
+            type = "electric",
+            usage_priority = "secondary-input",
+            emissions = -0.06
+        },
+        energy_usage = "1MW",
+        fixed_recipe = "suck-pollution",
+        ingredient_count = 1,
+        module_slots = 0,
+        allowed_effects=nill
     },
-    energy_usage = "1MW",
-    fixed_recipe="filter-air2",
-    ingredient_count = 1,
-    module_slots = 0
-  },
---  {
---    type = "furnace",
---    name = "air-filter-machine",
---    icon = "__better-air-filtering__/graphics/icons/air-filter-machine.png",
---    icon_size = 32,
---    flags = {"placeable-neutral", "placeable-player", "player-creation"},
---    minable = {hardness = 0.2, mining_time = 0.5, result = "air-filter-machine"},
---    fast_replaceable_group = "air-filter-machine",
---    max_health = 150,
---    corpse = "big-remnants",
---    collision_box = {{-1.2, -1.2}, {1.2, 1.2}},
---    selection_box = {{-1.5, -1.5}, {1.5, 1.5}},
---    animation =
---    {
---      filename = "__better-air-filtering__/graphics/entity/air-filter-machine.png",
---      priority = "high",
---      width = 99,
---      height = 102,
---      frame_count = 32,
---      line_length = 8,
---      shift = {0.4, -0.06}
---    },
---    open_sound = { filename = "__base__/sound/machine-open.ogg", volume = 0.85 },
---    close_sound = { filename = "__base__/sound/machine-close.ogg", volume = 0.75 },
---    working_sound =
---    {
---      sound = { { filename = "__base__/sound/electric-furnace.ogg", volume = 0.7 } },
---      idle_sound = { filename = "__base__/sound/idle1.ogg", volume = 0.6 },
---      apparent_volume = 1.5,
---    },
---    crafting_categories = {"crafting-air-filter"},
---    source_inventory_size = 1,
---    result_inventory_size = 1,
---    crafting_speed = 1.0,
---    energy_source =
---    {
---      type = "electric",
---      usage_priority = "secondary-input",
---      emissions = -0.06
---    },
---    energy_usage = "200kW",
---    ingredient_count = 1,
---    module_slots = 0
---  },
-  {
-    type = "furnace",
-    name = "air-filter-machine-mk2",
-    icon = "__better-air-filtering__/graphics/icons/air-filter-machine-mk2.png",
-    icon_size = 32,
-    flags = {"placeable-neutral", "placeable-player", "player-creation"},
-    minable = {hardness = 0.2, mining_time = 0.5, result = "air-filter-machine-mk2"},
-    fast_replaceable_group = "air-filter-machine",
-    max_health = 150,
-    corpse = "big-remnants",
-    collision_box = {{-1.2, -1.2}, {1.2, 1.2}},
-    selection_box = {{-1.5, -1.5}, {1.5, 1.5}},
-    animation =
     {
-      filename = "__better-air-filtering__/graphics/entity/air-filter-machine-mk2.png",
-      priority = "high",
-      width = 99,
-      height = 102,
-      frame_count = 32,
-      line_length = 8,
-      shift = {0.4, -0.06}
-    },
-    open_sound = { filename = "__base__/sound/machine-open.ogg", volume = 0.85 },
-    close_sound = { filename = "__base__/sound/machine-close.ogg", volume = 0.75 },
-    working_sound =
-    {
-      sound = { { filename = "__base__/sound/electric-furnace.ogg", volume = 0.7 } },
-      idle_sound = { filename = "__base__/sound/idle1.ogg", volume = 0.6 },
-      apparent_volume = 1.5,
-    },
-    crafting_categories = {"crafting-air-filter"},
-    source_inventory_size = 1,
-    result_inventory_size = 1,
-    crafting_speed = 2.0,
-    energy_source =
-    {
-      type = "electric",
-      usage_priority = "secondary-input",
-      emissions = -0.12
-    },
-    energy_usage = "350kW",
-    ingredient_count = 1,
-    module_slots = 0
-  },
-  {
-    type = "furnace",
-    name = "air-filter-machine-mk3",
-    icon = "__better-air-filtering__/graphics/icons/air-filter-machine-mk3.png",
-    icon_size = 32,
-    flags = {"placeable-neutral", "placeable-player", "player-creation"},
-    minable = {hardness = 0.2, mining_time = 0.5, result = "air-filter-machine-mk3"},
-    fast_replaceable_group = "air-filter-machine",
-    max_health = 150,
-    corpse = "big-remnants",
-    collision_box = {{-1.2, -1.2}, {1.2, 1.2}},
-    selection_box = {{-1.5, -1.5}, {1.5, 1.5}},
-    animation =
-    {
-      filename = "__better-air-filtering__/graphics/entity/air-filter-machine-mk3.png",
-      priority = "high",
-      width = 99,
-      height = 102,
-      frame_count = 32,
-      line_length = 8,
-      shift = {0.4, -0.06}
-    },
-    open_sound = { filename = "__base__/sound/machine-open.ogg", volume = 0.85 },
-    close_sound = { filename = "__base__/sound/machine-close.ogg", volume = 0.75 },
-    working_sound =
-    {
-      sound = { { filename = "__base__/sound/electric-furnace.ogg", volume = 0.7 } },
-      idle_sound = { filename = "__base__/sound/idle1.ogg", volume = 0.6 },
-      apparent_volume = 1.5,
-    },
-    crafting_categories = {"crafting-air-filter"},
-    source_inventory_size = 1,
-    result_inventory_size = 1,
-    crafting_speed = 5.0,
-    energy_source =
-    {
-      type = "electric",
-      usage_priority = "secondary-input",
-      emissions = -0.3
-    },
-    energy_usage = "1MW",
-    ingredient_count = 1,
-    module_slots = 0
-  }
+        type = "assembling-machine",
+        name = "air-filter-machine-mk3",
+        icon = "__better-air-filtering__/graphics/icons/air-filter-machine-mk3.png",
+        icon_size = 32,
+        flags = { "placeable-neutral", "placeable-player", "player-creation" },
+        minable = { hardness = 0.2, mining_time = 0.5, result = "air-filter-machine-mk3" },
+        fast_replaceable_group = "air-filter-machine",
+        max_health = 150,
+        corpse = "medium-remnants",
+        collision_box = { { -1.2, -1.2 }, { 1.2, 1.2 } },
+        selection_box = { { -1.5, -1.5 }, { 1.5, 1.5 } },
+        animation =
+        {
+            filename = "__better-air-filtering__/graphics/entity/air-filter-machine-mk3.png",
+            priority = "high",
+            width = 99,
+            height = 102,
+            frame_count = 32,
+            line_length = 8,
+            shift = { 0.4, -0.06 }
+        },
+        open_sound = { filename = "__base__/sound/machine-open.ogg", volume = 0.85 },
+        close_sound = { filename = "__base__/sound/machine-close.ogg", volume = 0.75 },
+        working_sound =
+        {
+            sound = { { filename = "__base__/sound/electric-furnace.ogg", volume = 0.7 } },
+            idle_sound = { filename = "__base__/sound/idle1.ogg", volume = 0.6 },
+            apparent_volume = 1.5,
+        },
+        fluid_boxes =
+        {
+            {
+                production_type = "input",
+                pipe_covers = pipecoverspictures(),
+                base_area = 10,
+                base_level = -1,
+                pipe_connections= {}
+            },
+            {
+                production_type = "input",
+                pipe_covers = pipecoverspictures(),
+                base_area = 10,
+                base_level = -1,
+                pipe_connections = {{ type="input", position = {0, -2} }}
+            },
+            {
+                production_type = "output",
+                pipe_picture = assembler3pipepictures(),
+                pipe_covers = pipecoverspictures(),
+                base_area = 10,
+                base_level = 1,
+                pipe_connections = { { type = "output", position = { 0, 2 } } },
+                secondary_draw_orders = { north = -1 }
+            },
+            off_when_no_fluid_recipe = true
+        },
+        crafting_categories = { "suck-air" },
+        crafting_speed = 5.0,
+        energy_source =
+        {
+            type = "electric",
+            usage_priority = "secondary-input",
+            emissions = -0.3
+        },
+        energy_usage = "1MW",
+        ingredient_count = 1,
+        module_slots = 0,
+        allowed_effects=nill
+    }
 })
diff --git a/better-air-filtering/prototypes/fluid.lua b/better-air-filtering/prototypes/fluid.lua
new file mode 100644
index 0000000..9ffbb09
--- /dev/null
+++ b/better-air-filtering/prototypes/fluid.lua
@@ -0,0 +1,27 @@
+data:extend({
+    {
+        type = "fluid",
+        name = "pollution",
+        default_temperature = 5,
+        max_temperature = 15,
+        base_color = {r=0.38, g=0.27, b=0.53},  -- 97, 69, 135
+        flow_color = {r=0.7, g=0.7, b=0.7},
+        icon = "__better-air-filtering__/graphics/icons/fluid/pollution.png",
+        icon_size = 32,
+        order = "a[fluid]-z[water]",
+        auto_barrel="false"
+    },
+    {
+        type = "fluid",
+        name = "pollution-gas",
+        default_temperature = 15,
+        max_temperature = 100,
+        gas_temperature = 15,
+        base_color = {r=0.38, g=0.27, b=0.53},  -- 97, 69, 135
+        flow_color = {r=0.7, g=0.7, b=0.7},
+        icon = "__base__/graphics/icons/fluid/pollution.png",
+        icon_size = 32,
+        order = "a[fluid]-z[water]",
+        auto_barrel="false"
+    }
+})
\ No newline at end of file
diff --git a/better-air-filtering/prototypes/item.lua b/better-air-filtering/prototypes/item.lua
index d1fca28..5612628 100644
--- a/better-air-filtering/prototypes/item.lua
+++ b/better-air-filtering/prototypes/item.lua
@@ -42,7 +42,7 @@ data:extend({
     order = "g[plastic-bar]-h[unused-air-filter]",
     stack_size = 50,
     fuel_category = "pollution-filter",
---    burnt_result = "used-air-filter",
+    burnt_result = "used-air-filter",
     fuel_value = "300MW",
   },
   {
diff --git a/better-air-filtering/prototypes/recipe.lua b/better-air-filtering/prototypes/recipe.lua
index cae67f5..32d50a4 100644
--- a/better-air-filtering/prototypes/recipe.lua
+++ b/better-air-filtering/prototypes/recipe.lua
@@ -1,115 +1,150 @@
 data:extend({
-  {
-    type = "recipe-category",
-    name = "crafting-air-filter"
-  },
-  {
-    type = "recipe",
-    name = "air-filter-machine",
-    icon = "__better-air-filtering__/graphics/icons/air-filter-machine.png",
-    icon_size = 32,
-    energy_required = 10.0,
-    enabled = "false",
-    ingredients =
     {
-      {"assembling-machine-2", 1},
-      {"electronic-circuit", 5},
-      {"steel-plate", 10}
+        type = "recipe-category",
+        name = "crafting-air-filter"
     },
-    result = "air-filter-machine"
-  },
-  {
-    type = "recipe",
-    name = "air-filter-machine-mk2",
-    icon = "__better-air-filtering__/graphics/icons/air-filter-machine-mk2.png",
-    icon_size = 32,
-    energy_required = 10.0,
-    enabled = "false",
-    ingredients =
     {
-      {"air-filter-machine", 2},
-      {"advanced-circuit", 10}
+        type = "recipe-category",
+        name = "suck-air"
     },
-    result = "air-filter-machine-mk2"
-  },
-  {
-    type = "recipe",
-    name = "air-filter-machine-mk3",
-    icon = "__better-air-filtering__/graphics/icons/air-filter-machine-mk3.png",
-    icon_size = 32,
-    energy_required = 10.0,
-    enabled = "false",
-    ingredients =
     {
-      {"air-filter-machine-mk2", 2},
-      {"processing-unit", 10}
+        type = "recipe",
+        name = "air-filter-machine",
+        icon = "__better-air-filtering__/graphics/icons/air-filter-machine.png",
+        icon_size = 32,
+        energy_required = 10.0,
+        enabled = "false",
+        ingredients =
+        {
+            { "assembling-machine-2", 1 },
+            { "electronic-circuit", 5 },
+            { "steel-plate", 10 }
+        },
+        result = "air-filter-machine"
     },
-    result = "air-filter-machine-mk3"
-  },
-  {
-    type = "recipe",
-    name = "unused-air-filter",
-    icon = "__better-air-filtering__/graphics/icons/unused-air-filter.png",
-    icon_size = 32,
-    category = "crafting",
-    subgroup = "raw-material",
-    order = "f[plastic-bar]-f[unused-air-filter]",
-    energy_required = 5,
-    enabled = "false",
-    ingredients =
     {
-      {"coal", 10},
-      {"plastic-bar", 4},
-      {"steel-plate", 2}
+        type = "recipe",
+        name = "air-filter-machine-mk2",
+        icon = "__better-air-filtering__/graphics/icons/air-filter-machine-mk2.png",
+        icon_size = 32,
+        energy_required = 10.0,
+        enabled = "false",
+        ingredients =
+        {
+            { "air-filter-machine", 2 },
+            { "advanced-circuit", 10 }
+        },
+        result = "air-filter-machine-mk2"
     },
-    result = "unused-air-filter"
-  },
-  {
-    type = "recipe",
-    name = "filter-air",
-    icon = "__better-air-filtering__/graphics/icons/filter-air.png",
-    icon_size = 32,
-    category = "crafting-air-filter",
-    order = "f[plastic-bar]-f[filter-air]",
-    energy_required = 100,
-    enabled = "false",
-    ingredients =
     {
-      {"unused-air-filter", 1}
+        type = "recipe",
+        name = "air-filter-machine-mk3",
+        icon = "__better-air-filtering__/graphics/icons/air-filter-machine-mk3.png",
+        icon_size = 32,
+        energy_required = 10.0,
+        enabled = "false",
+        ingredients =
+        {
+            { "air-filter-machine-mk2", 2 },
+            { "processing-unit", 10 }
+        },
+        result = "air-filter-machine-mk3"
     },
-    result = "used-air-filter"
-  },
-  {
-    type = "recipe",
-    name = "filter-air2",
-    icon = "__better-air-filtering__/graphics/icons/filter-air.png",
-    icon_size = 32,
-    category = "crafting-air-filter",
-    subgroup = "raw-material",
-    order = "f[plastic-bar]-f[filter-air]",
-    energy_required = 5,
-    enabled = "true",
-    ingredients =
     {
-
+        type = "recipe",
+        name = "unused-air-filter",
+        icon = "__better-air-filtering__/graphics/icons/unused-air-filter.png",
+        icon_size = 32,
+        category = "crafting",
+        subgroup = "raw-material",
+        order = "f[plastic-bar]-f[unused-air-filter]",
+        energy_required = 5,
+        enabled = "false",
+        ingredients =
+        {
+            { "coal", 10 },
+            { "plastic-bar", 4 },
+            { "steel-plate", 2 }
+        },
+        result = "unused-air-filter"
     },
-    result = "used-air-filter"
-  },
-  {
-    type = "recipe",
-    name = "air-filter-recycling",
-    icon = "__better-air-filtering__/graphics/icons/air-filter-recycling.png",
-    icon_size = 32,
-    category = "crafting",
-    subgroup = "raw-material",
-    order = "f[unused-air-filter]-f[air-filter-recycling]",
-    energy_required = 5,
-    enabled = "false",
-    ingredients =
     {
-      {"used-air-filter", 1},
-      {"coal", 5}
+        type = "recipe",
+        name = "filter-air",
+        icon = "__better-air-filtering__/graphics/icons/filter-air.png",
+        icon_size = 32,
+        category = "crafting-air-filter",
+        subgroup = "raw-material",
+        order = "f[plastic-bar]-f[filter-air]",
+        energy_required = 0.5,
+        enabled = "true",
+        ingredients =
+        {
+            {type="fluid", name="pollution-gas", amount=2}
+        },
+        results = {}
     },
-    result = "unused-air-filter"
-  }
+    {
+        type = "recipe",
+        name = "suck-pollution",
+        category = "suck-air",
+        subgroup = "raw-material",
+        order = "f[plastic-bar]-f[filter-air]",
+        energy_required = 0.5,
+        enabled = "true",
+        ingredients =
+        {
+        },
+        results = {{type="fluid", name="pollution-gas", amount=4}}
+    },
+    {
+        type = "recipe",
+        name = "liquid-pollution",
+--        icon = "__better-air-filtering__/graphics/icons/filter-air.png",
+--        icon_size = 32,
+        category = "suck-air",
+        subgroup = "raw-material",
+        order = "f[plastic-bar]-f[filter-air]",
+        energy_required = 0.5,
+        enabled = "true",
+        ingredients =
+        {
+            {type="fluid", name="pollution-gas", amount=6, fluidbox_index=1},
+            {type="fluid", name="water", amount=10, fluidbox_index=2}
+        },
+        results = {{type="fluid", name="pollution", amount=10}}
+    },
+--    {
+--        type = "recipe",
+--        name = "debug-pollution",
+----        icon = "__base__/graphics/icons/pollution.png",
+----        icon_size = 32,
+--        category = "crafting-with-fluid",
+--        subgroup = "raw-material",
+--        order = "f[plastic-bar]-f[filter-air]",
+--        energy_required = 1,
+--        enabled = "true",
+--        ingredients =
+--        {
+--
+--        },
+--        results = {{type="fluid", name="pollution-gas", amount=10}}
+--    },
+    {
+        type = "recipe",
+        name = "air-filter-recycling",
+        icon = "__better-air-filtering__/graphics/icons/air-filter-recycling.png",
+        icon_size = 32,
+        category = "crafting",
+        subgroup = "raw-material",
+        order = "f[unused-air-filter]-f[air-filter-recycling]",
+        energy_required = 5,
+        enabled = "false",
+        ingredients =
+        {
+            { "used-air-filter", 1 },
+            { "coal", 5 }
+        },
+        result = "unused-air-filter"
+    }
 })