Cassette, 37mm .45µm PVC Endotoxin Free, 10/Box Back Catalog number: GCU3745EF Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-21 Teflon Bag, On-Off Valve (1.2L) Price on request 811-9917-02 Go-Cal Replacent Tubing Kit Price on request GCU25MV Cassette, 25mm Micro Vac, ea Price on request