Ceramic Plunger Back Catalog number: CTS-10322 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request