Plunger Seal, Black Back Catalog number: CTS-7162 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A145 Inlet Check Valve Price on request CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request