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  • Master Flow 4 in. Round Heavy-Duty Wall Vent with Damper in White
  • Master Flow 4 in. Round Heavy-Duty Wall Vent with Damper in White
  • Master Flow 4 in. Round Heavy-Duty Wall Vent with Damper in White
  • Master Flow 4 in. Round Heavy-Duty Wall Vent with Damper in White

Master Flow 4 in. Round Heavy-Duty Wall Vent with Damper in White

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This Heavy-Duty 4 in. Wall Vent is designed to be durable. This vent is used on an outside sidewall to terminate bath fans or other appliances. The Heavy-Duty design is painted white to complement most trim colors.