Sapphire Plunger Back Catalog number: CTS-11297 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-A102 Inlet Check Valve Price on request