Housing, 37mm, 2Pc, 50/Box Back Catalog number: GCO37050-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-28 Teflon Bag, Septum Valve (50L) Price on request 811-0945-02-R GilAir Plus Basic or DL to STP BlueTooth and Motio Price on request 910-0801-04 Gilian 5000 5-Pack, UL ATEX 120V/240V , No Cord Price on request