Housing, 37mm, Conductive 3pc, 50/Box Back Catalog number: GH37C Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-DFR Dual Flow Regulator Accessory, for ACTI-VOC and ACTI-VOC PLUS Price on request 801453 O-Ring/Gasket Kit, GilAir-5 Price on request 811-0912-EU-R Three Station Dock w/Comms 100-240Vac, 50-60 Hz, E Price on request