Housing, 37mm, 2Pc, 50/Box Back Catalog number: GCO37050-2 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 GPP3700 Filter, Support Pads, Porous Plastic, 37mm, 20.0µm Price on request 801407 Manifold Kit, Dual, 10 x 110mm Price on request