Seal Extension Tube Back Catalog number: 11-2569 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-10475-1 Sapphire Plunger Price on request PL7100150 MarvelXACT PLS 100µm x 150mm Price on request