Seal Wash (0.0787 ID, Fixed), 2/pk Back Catalog number: 11-4181 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11381 Needle, SS, 30μL Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request