Housing, 37mm 2pc Opaque, 50/Box Back Catalog number: GH37-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0115-01 Nephelometer O-Ring, Replacement Price on request 910-0104-02 GilAir-5 Clock [ATEX], Starter Kit, 230V, Euro Plu Price on request GPG25100 Filter, Support Pads, Cellulosic, 25mm, 40.0µm, 10 Price on request