Needle Seal, PEEK™ SIL-20 Back Catalog number: CTS-11315 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5531-05 Solvent Bottle Filter, 5/pk Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request CTS-21145 Inlet Check Valve Price on request