Tube Assy, BSM Outlet to SM Back Catalog number: CTS-21075 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request CTS-21567 PM Kit, Seal Wash for Binary Pump G4240A Price on request CTS-10963 Gold Plunger Seal Price on request