Galvanized Steel Roof Vent Cap With Damper And Removable Screen, 4 Inch Diameter Collar, Black, Heavy Duty 26 Gauge Construction, Corrosion Resistant, ASTM B117 Tested, Durable Roof Vent Hood

Heavy-Duty 4-Inch Galvanized Roof Vent Cap with Damper
✔️ 1 piece, 4-inch collar, 26 gauge galvanized steel, removable screen

This heavy-duty galvanized steel roof vent cap with damper and removable screen is designed for venting bathroom, kitchen, or dryer exhausts, and protects against backdrafts while resisting corrosion.

✅ 4 inch diameter collar with backdraft damper
✅ Removable screen included (1/4 x 1/4 inch)
✅ Riveted construction; no caulk required; pre-drilled mounting holes
✅ 26 gauge galvanized steel with black polyester powder coat for corrosion resistance
✅ ASTM B117 tested for salt spray corrosion

💡 What is a galvanized steel roof vent cap with damper used for in home ventilation systems?

This handy vent cap protects interior spaces while venting exhaust from bathrooms, kitchens, or laundry areas.

• Helps vent exhaust outdoors without backflow into living spaces.
• Backdraft damper closes to prevent air from re-entering when the vent is off.
• Removable screen allows cleaning and flexible vent configurations.
• Durable galvanized steel with powder coat finish resists corrosion and weather.