Housing, 37mm, 3Pc, 50/Box Back Catalog number: GCO37050 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0204-02 GilAir-3 Clock [ATEX], Starter Kit, 230V, Euro Plu Price on request 360-0181-01 Manual, Gilian 10i Price on request 6075-0421-20 Screws, Low Flow Module (Pkg Of 20) Price on request