Sapphire Plunger Back Catalog number: CTS-11425 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10839 Seal Pack Rebuild Kit Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request CTS-5464 Clip Ring, Plunger Retainer Price on request