Skip to content
  • My Account
  • Animal Care
    • Animal Identification Legbands
      • Coburn Plastic Legband
      • Coburn Flagbands
    • Animal Leads
    • Bull Rings
    • Cattle Neck Tags & Accessories
      • Coburn Neck Tags
      • Chains for Neck Tags
    • Duct Tape
    • Freeze Branding
    • Grooming
      • Clippers
        • Heiniger Clipper Parts & Maintenance
        • Heiniger Replacement Blades
        • Heiniger Clippers
      • Grooming Brushes, Combs & Supplies
    • Halters
      • Cow Halters
      • Goat Halters
      • Sheep Halters
      • Horse Halters
    • Leather Punches
    • Livestock Eartags
      • Allflex Eartags
      • Z-Tags
    • Neck Strap ID Sleeves
    • Neck Straps
      • Calf-Size Nylon Neck Straps
      • Nylon Neck Straps
    • Paint & Spray Marking
    • Pens
    • Scratchers & Oilers
      • Replacement Parts for Scratchers & Oilers
    • Tattooing Equipment
    • Weigh Tapes
  • Animal Health
    • Artificial Insemination
      • Straws and Accessories
      • Thaw Units
    • Castrators & Emasculators
    • Cow Lifts
    • Cow Magnets & Balling Guns
    • Desks & Record Keeping
    • Disposable Plastic Boots
    • Disposable Veterinary Gloves
    • Drenchers
    • Dynamint
    • Heat Detection
      • Ambic Ai Tail Paint
      • Estrotect Indicators
      • Kamar Detectors
      • Kow Ball Marking Fluid
    • Hoof Health
      • Foot Medication
      • Foot Baths
      • Hoof Protection & Treatment
      • Hoof Tools
      • Hoof Treatment Mat
    • IV Sets
    • Ketone Test Kits
    • Leg Splints
    • Medication
    • OB & Calving Equipment
      • Birthing Equipment
      • Nylon Straps
      • Obstetric Chains
      • Obstetric Handles
    • Stomach Pumps & Tubes
    • Syringes & Needles
      • Hypodermic Needles
    • Teat Treatment
      • Udder Balm & Topicals
    • Trocars
    • Veterinary Equipment
      • Vet Tools
      • Veterinary Thermometers
  • Barn Equipment
    • Barn Equipment Repair Items
    • Cow Trainers
    • Disinfection Mats
    • Fans
      • Barn Ventilation Fans
      • Fan Controls & Accessories
    • Milking Stools
    • Parlor Mats
    • Scales
    • Snaps & Quick Links
      • Double End Chain Snaps
      • Double Pattern Spring Snaps
      • Open Eye Snaps
      • Safety Spring Hooks
      • Swivel Eye Snaps
      • Swivel Trigger Snaps
      • Zinc Plated Steel Lap Links
      • Zinc Plated Steel Quick Links
    • Stanchion Parts
  • Calf Care
    • Calf Care Repair Items
    • Calf Jackets
    • Calf Resuscitator
    • Colostrum Testing & Collecting
    • Dehorning Equipment
      • Battery-Operated Dehorner & Repair Parts
      • Dehorning Paste
      • Electric Dehorners & Accessories
      • Express Gas Dehorner & Accessories
      • Manual Dehorners & Accessories
    • Fluid Feeders
    • Milk Bar Feeders
    • Nursing Bottles & Equipment
      • Racks for Nursing Bottles
      • Replacement Parts for Nursing Bottles
    • Weaners
  • Cleaning & Sanitizing
    • Brooms & Brushes
      • Cleaning & Sanitizing Brushes
        • Bottle & Valve Brushes
        • Bulk Tank & Equipment Brushes
        • Scrub Brushes
        • Inflation Brushes
        • Long & Short Handled Gong Brushes
        • Milk Bottle Brushes
        • Single- and Double-End Claw Brushes
        • Valve Outlet Brush
      • Floor Brooms
        • Handles for Brushes and Brooms
        • Squeegees
    • Cleaning & Sanitizing Repair Items
    • Disposable Milking Gloves
    • Foamaster
    • Hose Chutes
    • Hoses & Nozzles
      • Hose Fittings & Menders
      • Hoses
      • Regular Duty
      • Wash Down
    • Liquid Dispensers & Pumps
    • Milkerwear & Supplies
      • Dairy Aprons
      • Dairy Bibs
      • Milking Sleeves
    • Sinks & Faucets
      • Sinks
  • Farm & Home
    • Bells
    • Boot Cleaner
    • Fencing
      • Aluminum Fence Wire
      • Electric Fencer Parts & Accessories
      • Electric Fencers
      • Electric Fencing Wire & Tape
      • Fence Gate Hinges & Wheels and Door Latches
      • Fence Posts
      • Fence Tools
      • Gates for Electric Fences
      • Insulators for Electric Fences
    • Foggers & Sprayers
    • Footwear
      • StepliteX Boots
      • Tingley Boots
    • Hitch Pins
    • Miscellaneous Fly Control
    • Mr. Sticky Fly Control
    • Tarp Straps
    • Work Gloves
  • Feeding & Watering
    • Feed Scoops
    • Feeding & Watering Repair Items
    • Float Valves & Mounting Kits
    • Hay Racks & Hooks
    • Livestock Water Bowls
    • Pail Holders & Brackets
    • Pails & Tubs
      • Hook-Over Feeders
      • Feed Pans & Tubs
      • Pails & Buckets
    • Tank Heaters & De-Icers
  • Milking Equipment
    • Claws & Shells
      • Air Forks & Accessories
      • California-Style Claws
      • DeLaval-Style Claws
      • Orbiter Claws
      • Shells
      • Spare Parts for Milking Claws
      • Top Unloading Claws
      • Westfalia-Style Claws
    • Goat & Sheep Milking
      • Accessories
      • Basic Stalls
      • Bucket Assemblies
      • Claw Assemblies
      • Jetter Cups
      • Liners
      • Milking Claws
      • Milking Shells
      • Rapid Exit Stalls
    • Home Processing
    • Hose & Hose Management
      • Black Rubber Vacuum & Milk Tubing
      • Hose Cutters & Spare Blades
      • Hose Shut-Offs & Clamps
      • Silicone Milk Tubing
      • Tigerflex Milk Tubing
      • Transflow Milk Tubing
      • Transflow Vacuum Tubing
    • Inflations & Inflation Adapters
      • Air Tubes
      • BouMatic-Style Inflations
      • DeLaval-Style Inflations
      • EuroLiner Inflations
      • Inflation Accessories
      • Surge-Style Inflations
      • Universal-Style Inflations
    • Lactometer
    • Milk Filtration
      • Milk Filter Dispensers
      • Stainless Steel In-Line Milk Filters
      • Strainers
    • Milk Line & Parts
      • Flappers & Ball Check Valves
      • Milk Line Filters & Gaskets
      • Milk Line Fittings & Connectors
      • Milk Pumps
      • Milk Valves
      • Nipples for Milk Pipelines
      • Pipeline Hangers
      • Pipeline Tubing Clamps
      • Receiver Groups
    • Milk Line Washing Components
      • Air Injectors
      • CIP Kits
      • Tank & Pipeline Washers
      • Wash Valves & Shut-Off Plugs
    • Milk Meters
    • Milking Equipment Repair Parts
      • Fresh Air Filter Parts
      • Lid Gaskets
      • Milk Line Parts
      • Milk Meter Parts
      • Milk Processing Parts
      • Pulsator Parts
      • QuarterMilker Parts
    • Motors
      • Leeson Farm Motors
      • Leeson Washguard Motors
    • Plate Coolers
    • Portable & Bucket Milking
      • Buckets
      • Lids
      • Portable Milkers
        • Portable Milking Repair Parts
        • Step 1–Base Assemblies
        • Step 2–Bucket & Lid Assemblies
        • Step 3–Milking Clusters
      • Surcingles
      • Udderly EZ Milk & Colostrum Collectors
    • Pulsation Equipment
      • Bucket & Pipeline Adapters
      • Electric Pulsators
      • Electronic Pulsators
      • Pulsation Controllers
      • Pulsator Oil
      • Pulsator Repair Kits & Parts
      • Vacuum Pulsators
    • Quarter Milkers
    • Stainless Steel Pails
  • New Products
  • Small Animal
    • Animal Traps
    • Hog Equipment
      • Hog Bowls
      • Hog Catchers & Slappers
      • Hog Nipple Drinkers & Brackets
    • Household Pets
      • Dog Leashes
      • Pet Fencer
      • Dog Collars
    • Poultry Equipment
      • Egg Handling Equipment
      • Poultry Legbands
    • Rabbit Equipment
      • Accessories for Raising Rabbits
      • Rabbit Dropping Pans
      • Rabbit Feeders
      • Rabbit Hutches
      • Rabbit Nest Boxes
      • Rabbit Waterers
      • Urine Guards for Hutches
    • Sheep & Goat Equipment
      • Ewe Marking Harnesses
      • Shears
    • Small Animal Equipment Repair Items
  • Udder Health
    • Mastitis Detection and Testing
    • Milk Samplers
    • Teat Dip Chemicals
    • Teat Dippers & Sprayers
      • Ambic Multi-Foamer Teat Dipper
      • Ambic Non-Foaming Teat Dip Cups
      • Ambic OptiDipper
      • Ambic OptiFoamer
      • Ambic OptiSprayer
      • Automated Teat Spray Systems
      • DipMizer
      • EasiDipper System
      • Holsters for Teat Dip Cups
      • PeraSpray Cluster Sprayer
      • RJB Foaming Teat Dip Cups
      • RJB Non-Foaming Teat Dip Cups
      • RJB PowrDipper Systems
      • RJB PowrSprayer Systems
    • Towel Dispensers
    • Udder Hair Removers
    • Udder Health Repair Items
      • Guns & Parts for Ambic Systems
      • Guns & Parts for Supa- & UltraSpray
  • Vacuum Equipment
    • Air Filters
    • Balance Tanks & Pre-Filters
      • PVC Vacuum Pre-Filters
      • PVC Vacuum Balance Tanks
    • Lobe Pump Wash System
    • Pump Oil
    • Silencers for Vacuum Pumps
    • Stallcocks & Valves
      • Anti-Reverse Valves
      • PVC & ABS Gate Valves
      • Stall Cocks
    • Vacuum Equipment Repair Items
    • Vacuum Pumps & Assemblies
    • Vacuum Regulation & Monitoring
      • Vacuum Gauges
      • Digimets
      • Regulators
  • The Latest Product News
  • Digital Catalog
  • Contact us
  • My Favorites
  • My account

Shopping cart$0.00 0
The Coburn Company Inc.
  • Milking
    Equipment
    • Claws & Shells
      • Air Forks & Accessories
      • California-Style Claws
      • DeLaval-Style Claws
      • Orbiter Claws
      • Shells
      • Spare Parts for Milking Claws
      • Top Unloading Claws
      • Westfalia-Style Claws
    • Goat & Sheep Milking
      • Accessories
      • Basic Stalls
      • Bucket Assemblies
      • Claw Assemblies
      • Jetter Cups
      • Liners
      • Milking Claws
      • Milking Shells
      • Rapid Exit Stalls
    • Home Processing
    • Hose & Hose Management
      • Hose Cutters & Spare Blades
      • Hose Shut-Offs & Clamps
      • Hose Rings, Clips & Support Arms
      • Silicone Milk Tubing
      • Silicone Twin Vacuum Tubing
      • Tigerflex Milk Tubing
      • Transflow Milk Tubing
      • Transflow Vacuum Tubing
      • Black Rubber Vacuum & Milk Tubing
      • Premium Rubber Milk Hose
    • Inflations & Inflation Adapters
      • Air Tubes
      • BouMatic-Style Inflations
      • DeLaval-Style Inflations
      • EuroLiner Inflations
      • Inflation Accessories
      • Surge-Style Inflations
      • Universal-Style Inflations
    • Lactometer
    • Milk Filtration
      • Milk Filter Dispensers
      • Stainless Steel In-Line Milk Filters
      • Strainers
      • KenAG Milk Filters
      • Schwartz Milk Filters
    • Milk Line & Parts
      • Flappers & Ball Check Valves
      • Milk Line Filters & Gaskets
      • Milk Line Fittings & Connectors
      • Milk Pumps
      • Milk Valves
      • Nipples for Milk Pipelines
      • Pipeline Hangers
      • Pipeline Tubing Clamps
      • Receiver Groups
    • Milk Line Washing Components
      • Air Injectors
      • CIP Kits
      • Tank & Pipeline Washers
      • Wash Valves & Shut-Off Plugs
    • Milk Meters
    • Milking Equipment Repair Parts
      • Fresh Air Filter Parts
      • Lid Gaskets
      • Milk Line Parts
      • Milk Meter Parts
      • Milk Processing Parts
      • Pulsator Parts
      • QuarterMilker Parts
    • Motors
      • Leeson Farm Motors
      • Leeson Washguard Motors
    • Plate Coolers
    • Portable & Bucket Milking
      • Buckets
      • Lids
      • Portable Milkers
        • Portable Milking Repair Parts
        • Step 1–Base Assemblies
          • Porta-Milker Base Units
          • Porta-Milker II Base Units
        • Step 2–Bucket & Lid Assemblies
        • Step 3–Milking Clusters
      • Surcingles
      • Udderly EZ Milk & Colostrum Collectors
    • Pulsation Equipment
      • Bucket & Pipeline Adapters
      • Electric Pulsators
      • Electronic Pulsators
      • Pulsation Controllers
      • Pulsator Oil
      • Pulsator Repair Kits & Parts
      • Vacuum Pulsators
    • Quarter Milkers
    • Stainless Steel Pails
  • Vacuum
    Equipment
    • Air Filters
    • Balance Tanks & Pre-Filters
      • PVC Vacuum Pre-Filters
      • PVC Vacuum Balance Tanks
    • Lobe Pump Wash System
    • Pump Oil
    • Silencers for Vacuum Pumps
    • Stallcocks & Valves
      • Anti-Reverse Valves
      • PVC & ABS Gate Valves
      • Stall Cocks
      • Relief Valves, Drain Valves & Inlet Closures
    • Vacuum Equipment Repair Items
    • Vacuum Pumps & Assemblies
    • Vacuum Regulation & Monitoring
      • Vacuum Gauges
      • Digimets
      • Regulators
    • Variable Speed Drives
  • Udder
    Health
    • Mastitis Detection and Testing
    • Milk Samplers
    • Teat Dip Chemicals
    • Teat Dippers & Sprayers
      • Ambic Multi-Foamer Teat Dipper
      • Ambic Non-Foaming Teat Dip Cups
      • Ambic OptiDipper
      • Ambic OptiFoamer
      • Ambic OptiSprayer
      • Automated Teat Spray Systems
      • DipMizer
      • EasiDipper System
      • Holsters for Teat Dip Cups
      • PeraSpray Cluster Sprayer
      • RJB Foaming Teat Dip Cups
      • RJB Non-Foaming Teat Dip Cups
      • RJB PowrDipper Systems
      • RJB PowrSprayer Systems
      • Guns & Parts for Ambic Systems
      • Guns & Parts for Supa- & UltraSpray
    • Towel Dispensers
    • Udder Hair Removers
    • Udder Health Repair Items
    • Sponges, Towels & Cloths
    • Trigger Sprayers, Bottles, & Spray Heads
  • Cleaning
    & Sanitizing
    • Brooms & Brushes
      • Cleaning & Sanitizing Brushes
        • Bottle & Valve Brushes
        • Bulk Tank & Equipment Brushes
        • Scrub Brushes
        • Inflation Brushes
        • Long & Short Handled Gong Brushes
        • Milk Bottle Brushes
        • Single- and Double-End Claw Brushes
        • Valve Outlet Brush
        • Hose Brushes, Cable Kits & Parts
      • Floor Brooms
        • Handles for Brushes and Brooms
        • Squeegees
    • Cleaning & Sanitizing Repair Items
    • Disposable Milking Gloves
    • Foamaster
    • Hose Chutes
    • Hoses & Nozzles
      • Hose Fittings & Menders
      • Hoses
      • Regular Duty
      • Wash Down
    • Liquid Dispensers & Pumps
      • Manual Liquid Dispensers & Pumps
      • Automatic Liquid Dispensers & Pumps
    • Milkerwear & Supplies
      • Dairy Aprons
      • Dairy Bibs
      • Milking Sleeves
      • Organizing Aprons, Totes and Holsters
    • Sinks & Faucets
      • Sinks
      • Faucets, Drains & Parts
  • Barn
    Equipment
    • Barn Equipment Repair Items
    • Cow Trainers
    • Disinfection Mats
    • Fans
      • Barn Ventilation Fans
      • Fan Controls & Accessories
    • Kick Stops & Cow Hobbles
      • Kick Stops
      • Cow Hobbles
    • Long-handled Tools
      • Barn Hoes
      • Barn Scrapers
      • Chisels
      • Rakes & Forks
      • ScrapeRakes
      • Shovels & Scoops
      • Snow Shovels
      • Stable Scrapers
    • Milking Stools
    • Parlor Mats
    • Scales
    • Snaps & Quick Links
      • Double End Chain Snaps
      • Double Pattern Spring Snaps
      • Open Eye Snaps
      • Safety Spring Hooks
      • Swivel Eye Snaps
      • Swivel Trigger Snaps
      • Zinc Plated Steel Lap Links
      • Zinc Plated Steel Quick Links
    • Stanchion Parts
  • Feeding
    & Watering
    • Feed Scoops
    • Feeding & Watering Repair Items
    • Float Valves & Mounting Kits
    • Forage Analysis
      • Forage Separator
      • Digestion Analyzer
      • Forage Sampler
    • Hay Racks & Hooks
    • Livestock Water Bowls
    • Pail Holders & Brackets
    • Pails & Tubs
      • Hook-Over Feeders
      • Feed Pans & Tubs
      • Pails & Buckets
    • Tank Heaters & De-Icers
  • Calf
    Care
    • Calf Care Repair Items
    • Calf Jackets
    • Calf Resuscitator
    • Colostrum Testing & Collecting
    • Dehorning Equipment
      • Battery-Operated Dehorner & Repair Parts
      • Dehorning Paste
      • Electric Dehorners & Accessories
      • Express Gas Dehorner & Accessories
      • Manual Dehorners & Accessories
    • Fluid Feeders
    • Milk Bar Feeders
      • Milk Bar Feeders for Calves
      • Milk Bar Feeders for Lambs & Kids
      • Milk Bar Nipples for Calves
      • Milk Bar Replacement Parts
    • Nursing Bottles & Equipment
      • Nursing Bottles
      • Racks for Nursing Bottles
      • Replacement Parts for Nursing Bottles
      • Whisks
    • Weaners
  • Animal
    Health
    • Artificial Insemination
      • Straws and Accessories
      • Thaw Units
    • Castrators & Emasculators
    • Cow Lifts
    • Cow Magnets & Balling Guns
    • Desks & Record Keeping
    • Disposable Plastic Boots
    • Disposable Veterinary Gloves
    • Drenchers
    • Dynamint
    • Heat Detection
      • Ambic Ai Tail Paint
      • Estrotect Indicators
      • Kamar Detectors
      • Kow Ball Marking Fluid
    • Hoof Health
      • Foot Medication
      • Foot Baths
      • Hoof Protection & Treatment
      • Hoof Tools
      • Hoof Treatment Mat
    • IV Sets
    • Ketone Test Kits
    • Leg Splints
    • Medication
    • OB & Calving Equipment
      • Birthing Equipment
      • Nylon Straps
      • Obstetric Chains
      • Obstetric Handles
    • Stomach Pumps & Tubes
    • Syringes & Needles
      • Hypodermic Needles
      • Syringes
      • Disposable Syringes & Needles
    • Teat Treatment
      • Udder Balm & Topicals
      • Tubes, Inserts, Cannulas & Dilators
    • Trocars
    • Veterinary Equipment
      • Vet Tools
      • Veterinary Thermometers
  • Animal
    Care
    • Animal Identification Legbands
      • Coburn Plastic Legband
      • Coburn Flagbands
      • Quick Strap Legbands
    • Animal Leads
    • Bull Rings
    • Canes, Show Sticks, Whips & Prods
      • Flex Canes
      • Show Sticks
      • Whips
      • Prods
    • Cattle Neck Tags & Accessories
      • Coburn Neck Tags
      • Chains for Neck Tags
    • Duct Tape
    • Freeze Branding
    • Grooming
      • Clippers
        • Heiniger Clippers
          • Horse Clippers
          • Large Animal Clippers
          • Large Animal Shears
          • Small Animal & Detail Clippers
        • Heiniger Replacement Blades
          • Heiniger A5 Clipper Blades
          • Large Animal Clipper Blades
          • Shearing Cutters & Combs
        • Heiniger Clipper Parts & Maintenance
      • Grooming Brushes, Combs & Supplies
    • Halters
      • Cow Halters
      • Goat Halters
      • Sheep Halters
      • Horse Halters
    • Leather Punches
    • Livestock Eartags
      • Allflex Eartags
      • Z-Tags
    • Neck Strap ID Sleeves
    • Neck Straps
      • Calf-Size Nylon Neck Straps
      • Nylon Neck Straps
    • Paint & Spray Marking
    • Pens
    • Scratchers & Oilers
      • Replacement Parts for Scratchers & Oilers
      • Scratchers
      • Oilers
    • Tattooing Equipment
    • Weigh Tapes
  • Small
    Animal
    • Animal Traps
    • Hog Equipment
      • Hog Bowls
      • Hog Catchers & Slappers
      • Hog Nipple Drinkers & Brackets
      • Hog Nippers, Ringers & Notchers
    • Household Pets
      • Dog Leashes
      • Pet Fencer
      • Dog Collars
      • Household Pets Feeding & Watering
    • Poultry Equipment
      • Egg Handling Equipment
      • Poultry Legbands
      • Poultry Feeding & Watering
      • Nesting Boxes
    • Rabbit Equipment
      • Accessories for Raising Rabbits
      • Rabbit Dropping Pans
      • Rabbit Feeders
      • Rabbit Hutches
      • Rabbit Nest Boxes
      • Rabbit Waterers
      • Urine Guards for Hutches
    • Sheep & Goat Equipment
      • Ewe Marking Harnesses
      • Shears
      • Sheep & Goat Feeding & Watering
      • Milk Bar for Lambs & Kids
    • Small Animal Equipment Repair Items
  • Farm
    & Home
    • Bells
    • Boot Cleaner
    • Fencing
      • Aluminum Fence Wire
      • Electric Fencer Parts & Accessories
      • Electric Fencers
      • Electric Fencing Wire & Tape
      • Fence Gate Hinges & Wheels and Door Latches
      • Fence Posts
      • Fence Tools
      • Gates for Electric Fences
      • Insulators for Electric Fences
    • Foggers & Sprayers
    • Footwear
      • StepliteX Boots
      • Tingley Boots
    • Hitch Pins
    • Miscellaneous Fly Control
    • Mr. Sticky Fly Control
    • Outdoor Thermometers
    • Tarp Straps
    • Work Gloves
    • Rain Gauges
  • New
    Products

  • Favorites
  • My Account
The Coburn Company Inc.
Shopping cart$0.00 0
Home/Shop/Vacuum Equipment/Vacuum Equipment Repair Items/Air Filter
406-21 (EA) - Air Filter

Air Filter

SKU: 406-21

Part number “406-21” on schematic diagram.

152 in stock

Customer Service

Find a Coburn Dealer

Become a Coburn Dealer

Dealer Website Login Request

Have a Product Question?

Freight Guidelines

FAQ

Featured Products, Videos & Coburn News

  • Coburn Product Videos
  • Detailed Product Information
  • Digital Catalog
  • Featured Products
  • News
  • Product Comparison
  • Seasonal Farm Supplies
Online Resources

Secure Customer Payments

New Products

Digital Catalog

Product Videos & Comparisions

Company Information

About Us

Contact Us

[email protected]

Phone: 800 776 7042

The Coburn Company, Inc.
PO Box 147
1170 Universal Blvd
Whitewater, WI 53190

    Copyright © 2026 - Coburn