Rolair Check Valve OEM Replacement CV4X4TWB Brass 1/2" NPT x 1/2 in. Compression
Brand new Rolair check valve, part number: CV4X4TWB. This is a brass check valve and is an OEM replacement part. This check valve is 1/2" Compression X 1/2" Male NPT. It also features a cold start valve, and a 1/8" hose barb for your unloader line.