Check Valve, Double Ball & Seat Back Catalog number: CTS-A11095 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21469 250 μL Syringe, High Pressure Price on request CTS-11435 Seal, Needle PEEK™ Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request