Cover Mounted Vent Fittings

Bolt down vent flanges are a threaded, water and gas tight design. Perfect for radon prevention or stack test covers.

Features / Specifications

Installation Instructions (PDF)

Material: Non-Corrosive, No Break High Density Polyethylene

Warranty: One Year

Made from Heavy Duty Polyethylene

Available In A Variety Of Sizes 

Perfect For Radon Prevention

Perfect For Stack Test Water Tight Requirements