Sapphire Plunger Back Catalog number: CTS-11434 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request 11-3321 Wash Seal Gasket, 6/pk Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request