
Selkirk Sport MetalBest Adjustable Flashing - Round Duct - 4 In
Key item features
- Adjustable Flashing: This round duct flashing is adjustable for roof pitches from 0 to 6/12, designed for use where a vent passes through a roof.
- Ventilation Type: Specifically a Type B gas vent, it is part of the RV line of MetalBest round vent pipe and fittings.
- Material Composition: The outer material is constructed from 28 GA galvanized steel, while the inner liner is made of aluminum.
- Nominal Dimensions: The product has a 4-inch inside diameter, with the outside diameter of the RV line being approximately 1/2 inch larger.
- Application Suitability: Engineered for approved gas appliances in residential, light commercial, and industrial settings.
Specs
- Duct size4 in
- MaterialAluminum/Steel
- Ducting typeRound Duct
- FeaturesAdjustable
- BrandSelkirk Sport
- Size4"
- Free shipping
Free 30-day returns
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About this item
Product details
4", 4RV-AF, Adjustable, Flashing 0 to 6/12, Round, Type B, Gas Vent. Used where the vent passes through a roof. The RV line of MetalBest round Type B gas vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications. Size refers to the inside diameter of the pipe or fitting. The outside diameter of RV is approximately 1/2'' larger. Outer material is 28 GA galvanized steel. Inner liner is aluminum.
4", 4RV-AF, Adjustable, Flashing 0 to 6/12, Round, Type B, Gas Vent. Used where the vent passes through a roof. The RV line of MetalBest round Type B gas vent pipe and fittings is designed for use on approved gas appliances in residential, and light commercial, and industrial applications. Size refers to the inside diameter of the pipe or fitting. The outside diameter of RV is approximately 1/2'' larger. Outer material is 28 GA galvanized steel. Inner liner is aluminum.
- 4", 4RV-AF, Adjustable, Flashing 0 to 6/12, Round, Type B, Gas Vent
- Used where the vent passes through a roof
- RV line of MetalBest round Type B gas vent pipe and fittings
- Outer material is 28 GA galvanized steel
- Inner liner is aluminum

