From the Holman DWV Pipe Systems range, the DWV Plain Vent Cowl is suitable for 50mm PVC pipes. It has a smooth, corrosion free and tough surface. The PVC material can be used in venting systems and drains. It deters vermin from entering the pipe and attic insulation from falling into the pipe. DWVF0542 DWV Plain Vent Cowl Materials: PVC Size: 50 mm Used in conjunction with the air admittance valve This cowl vent is easy to install Tech Specs Model Name: DWV PVC Vent Cowl 50/40mm Plain Colour: Grey Connection: Yes Material: Poly Vinyl Chloride – PVC Watermark Certificate: AS/NZS 1260
