Compression Screw, SS Back Catalog number: CTS-5313 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request CTS-A11135 50μL Std. Zirconia Mixer Price on request 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request