Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended PS7075600 MarvelXACT™ PEEKsil™ 75µm ID x 600mm Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request PL7025600 MarvelXACT PLS 25µm x 600mm Price on request