Cassette, 37mm, 3 pc, 0.4µm Polycarbonate, 50/Box Back Catalog number: GC7345PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9969-100 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 100/BX Price on request GH25 Housing, 25mm, Classic Style, 3pc, Conductive, 50/Box Price on request 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request