Housing, 37mm, 2Pc, 50/Box Back Catalog number: GCO37050-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-1706-01-R Gilibrator 3, Hard Shell Carry Case Only Price on request 810-0201-02 GilAir-3 Basic (ATEX), Pump only Price on request 801914 Economy Rotameter, 0.4-5LPM Price on request