Seal Extension Tube Back Catalog number: 11-2569 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10324S Seal Pack w/Needle Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request 11-3832 Wash Seal, PE, 1220, 1260, 1290 Price on request