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4 in. Damper


Heating, Venting & Cooling

Install Master Flow 4 in. Dampers (6-Pack) in individual runs of round pipe in an HVAC system (each sold separately) to balance and adjust the flow of air. These dampers include spring-loaded hardware and are constructed from galvanized steel to provide durability.

  • Balances and adjusts the flow of air in individual runs of round pipe (sold separately) in an HVAC system
  • Steel construction for durability
  • Galvanized finish provides corrosion resistance
  • Includes spring-loaded hardware for easy mounting into existing round pipe (sold separately)
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