Sapphire Plunger w/Holder Back Catalog number: 11-3795 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request 11-2569 Seal Extension Tube Price on request CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request