• Login
• Register
• My Cart

• Air Filters
  • Electrostatic: Pleated Media
    • Electrostatic Air Filters
    • Pleated Media: Odor Control
  • Specialty Filters
    • AC Condenser Protection
    • Metal Mesh Air Filters
    • Air Intake Filters
• Air Cleaners: Air Purifiers
  • Electronic: Pleated Media
    • Electronic Air Cleaners
    • Media Filter Air Cleaners
    • Air Cleaner Filters
  • Portable Air Purifiers
  • Ceiling Air Cleaners
• AC Cleaning / Maintenance
  • Mini-Split Coil Cleaning Kits
  • Coil Cleaning Sprayers
• Air Curtains
  • Entry / Wall Air Curtain
    • No Heat Air Curtain
    • Electric Heat Air Curtains
  • Ceiling Recessed
• Duct Smoke / CO Detectors
  • Duct Smoke Detectors
    • Plenum Duct Detector
    • Duct Air Sample Smoke Detector
  • CO Duct Detector Kit
• Ductless Mini-Split
  • Condenser Stand & Brackets
  • Coil Cleaning / UV LIght / Mold Test Kit
  • Air Transfer Fans
• UV Duct Light Systems
  • UV Light Lamps: Purifiers
    • Residential UV Light Lamps: Purifiers
    • Commercial UV Lights
    • UV Light Air Purifiers: Filters
  • UV Light Replacement Bulbs
  • IAQ Test Screening Kit
• Dampers: Draft Control
  • Back Draft Dampers
  • Barometric Draft Damper
• Dampers: System Air
  • Air Balancing Dampers
    • Round Manual Air Balancing Dampers
    • Rectangular Manual Air Balance Dampers
    • Cable Control Air Balance Dampers
  • Pressure Relief By-Pass
    • Round By-Pass Dampers
    • Rectangular By-Pass Dampers
  • Opposed Blade: Rectangular
    • Spring Return: Power Open / Power Close
    • Power Open / Power Close
  • VAV Modulating Dampers
    • Round Modulating Dampers
    • Opposed Blade Modulating Dampers
  • Zone Dampers: Round
    • 2 Wire Spring Return
    • 3 Wire Power Open Power Close
    • Zone: Motorized: Wireless
  • Zone Dampers: Rectangular
    • 2 Wire Spring Return
    • 3 Wire Power Open Power Close
  • Zone Control Panels
• Dampers: Fire & Smoke
  • Fire Dampers
  • Ceiling Radiation Dampers
  • Fire / Smoke Dampers
• Duct / System Components
  • Ductmate Access Doors
  • Air Duct Mufflers
  • Components: Fabrication
    • Take-off Collars / Wyes
    • Duct Wrap Fasteners / Spacers
    • Flexible Duct Connector
  • Pilot Lighting Systems
• Duct Heaters: Electric
  • Round Duct Heaters
  • Rectangular Duct Heaters
• Electric Heaters
  • Fan Wall Heaters
  • Commercial Ceiling Heaters
• Infrared Heaters
  • Electric Infrared Ceiling
  • Commercial Gas Infrared
  • Portable Gas Infrared
• Fans: Ventilators
  • Bathroom Ventilation Fans
  • In-Line: Mixed Flow Fans
  • Clothes Dryer Booster Fans
  • Duct / Register Booster Fans
    • Duct Air Booster Fans
    • Floor Register Booster Fans
  • Room to Room Vent Fans
  • Crawl Space Vent Fans
  • Radon Mitigation Fans
• Commercial Fans
  • Ceiling De-Stratification Fans
  • Wall Exhaust Fans: Shutters
  • in-Line Ceiling Ventilation
  • High Velocity Portable Fans
  • Roof Exhaust Ventilation
• Wall Shutters: Louvers
  • Fan Louver Shutters
• Fresh Air Ventilation
  • Exchangers: Economizers
  • ERV Fresh Air Ventilation
• Grilles / Diffusers
  • Plastic Ceiling Diffusers
  • Plastic Lay-in Supply / Return
• Humidifiers
  • Evaporative Humidifiers
  • Atomizing: Steam
    • Atomizing Humidifiers
    • Steam Humidifiers
  • Water Pads: Controls: Parts
    • Filters: Water Pads: Discs
    • Motors: Relays: Valves: Humidistat
• Equip Brackets: Stands
  • Mini Split Brackets: Stands
  • Swivel Hanging Brackets
  • Equipment Stands: Hangers
• Roof Vents: Chimney Caps
  • Attic Roof Vent Caps
  • Chimney Vent Caps
• Wood Stove: Fireplace
  • Vent Flue Draft Inducers
  • Chimney Vent Roof Caps
  • Room Transfer Fans

Back Draft Dampers

• 

  Price: $28.16
  Click for Details >>
  BACKDRAFT BUTTERLY DAMPER in Connecting Sleeve

  FAMCO Back Draft Damper in Connecting Sleeve. Opens with Normal Air Flow - Closes with Gravity. No Springs or Metal Hinges. Duct Sizes 4" - 20".
  *** QUANTITY SAVINGS ***
  

  Price: $28.16 Click for Details >>
• 

  Price: $35.03
  Click for Details >>
  REVERSIBLE BACKDRAFT DAMPER with Wall Vent

  FAMCO Reversible Back Draft Butterfly Damper with Wall Vent. Reversible Air Flow direction - Air Intake or Exhaust. Galvanized or Aluminum Vent. 4" thru 12" Duct.   
  *** QUANTITY SAVINGS ***

  Price: $35.03 Click for Details >>
• 

  Price: $22.57
  Click for Details >>
  SPRING RETURN BUTTERLY BACKDRAFT DAMPER

  Continental Fan Manufacturing Back Draft Dampers. Foam gasket prevents air leakage. Back Draft Damper blocks and controls draft. 4" thru 16" Duct sizes available.

  Price: $22.57 Click for Details >>