Tube Assy, BSM Outlet to SM Back Catalog number: CTS-21075 Availability: In the manufacturer's stock Price on request - + Recommended CTS-6613 Black Plunger Seal Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request CTS-A094 Check Valve Cartridge, 2/pk Price on request