Seal Extension Tube Back Catalog number: 11-2569 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended PL7075150 MarvelXACT PLS 75µm x 150mm Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request