Housing, 37mm 2pc Opaque, 50/Box Back Catalog number: GH37-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SC-4 Tedlar Bag (3L) Price on request 800885-171 GilAir-5 RC Pump, No Charger Price on request 7013376 Cyclone Calibration Jar (For 10mm Nylon Cyclone and Inhalable Dust Sampler Head) Price on request