Housing, 37mm 3pc Opaque, 50/Box Back Catalog number: GH37 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 810-0203-02 GilAir-3 Programmable (ATEX), Pump only Price on request 910-0910-NO-R GilAir-Plus Data Logging Single Starter Kit, Bluetooth, No cord Price on request 200241 Impinger, Sorbent Trap, Midget, glass, with screw cap (25ml) Price on request