Designed for home use where dryer exhaust ducts terminate through a sidewall. Conforms to Federal Specification QQ-5775A, Type 1, Class 4 ASTM. The flap or damper meets code requirements for a back draft device for a dryer exhaust system.
- Designed for stucco or wood applications
- 1-Piece galvanized steel construction
- 4 in. Pipe, 8 in. L, 5 in. exposed exterior side
- Paint ready, no primer required
- Should be handled with safety gloves