Needle Seat Back Catalog number: 11-2570 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5656 Sapphire Plunger Price on request CTS-11313 PEEK™ Rotor, LPV Price on request CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request