Housing, 37mm, 2Pc, 50/Box Back Catalog number: GCO37050-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0908-EU-R GilAir-Plus Data Logging 3-Pump Starter Kit, Euro Price on request 375-0009-01 Carrying Case for Nephelometer Price on request 910-0101-02 GilAir-5 Basic [ATEX], Starter Kit, 230V, Euro Plu Price on request