Plunger Seal, Gold Back Catalog number: CTS-2962 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5656 Sapphire Plunger Price on request CTS-0720 Inlet Check Valve Assembly Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request