Housing, 37mm 3pc Opaque, 50/Box Back Catalog number: GH37 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800844-2-230 Gilibrator-2 Standard Flow Diagnostic Kit, 230V, E Price on request 811-0501-01 Flow Monitoring Software Kit (Software, Cable, & M Price on request 780-0015-01-R Calibrator cable (Gilibrator 2), for automatic cal Price on request