Housing, 37mm 2pc Solvent Res, 50/Box Back Catalog number: GH37SR-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0507-01-R Power Adapter, Universal Wall w/USB A to USB B cab Price on request 811-0945-01-R GilAir Plus, DL to STP Upgrade (factory only) Price on request 380-0035-01 Nephelometer Pump Assy, Replacement Price on request