Housing, 37mm 2pc Opaque, 50/Box Back Catalog number: GH37-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0101-02 GilAir-5 Basic [ATEX], Starter Kit, 230V, Euro Plu Price on request 910-0105-02 GilAir-5 Clock [ATEX], 5-Pack (With Universal 5-Un Price on request 360-0135-01 GilAir PlusQuick Start Guide Price on request