Rolair Check Valve OEM Replacement CV4X4TWB Brass 1/2" NPT X 1/2 In. Compression(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.