Housing, 37mm, 3Pc, 50/Box Back Catalog number: GCO37050 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801385 Case Assembly & Screws, Blue, GilAir-5 Price on request 800217 Impinger, Moisture Trap, Plastic, with 1/4" ID tubing (3 ft) (98ml) Price on request C-BIO02-100 BioVOC-2 Breath Sampler, pk 100 Price on request