Insert Seal Parts Kit Back Catalog number: CTS-0012 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request CTS-1010T O-Ring, TFE Price on request CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request