Needle Kit, 15 µL with Needle Seat and Needle Guid Back Catalog number: CTS-21287 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request CTS-11366 Piston, High Pressure Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request