Housing, 37mm, 2Pc, 50/Box Back Catalog number: GCO37050-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF25080BLG Filter, MCE, 0.8µm 25mm, PCM, with Black Grid Line Price on request 801012-100 Aircon-2 DC Programmable Area Air Sampling Pump, ( Price on request C-DFR Dual Flow Regulator Accessory, for ACTI-VOC and ACTI-VOC PLUS Price on request