Sapphire Plunger w/Holder Back Catalog number: 11-3795 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3889 Needle Seat Assembly, 0.12mm ID Price on request PL7100150 MarvelXACT PLS 100µm x 150mm Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request