Nephelometer O-Ring, Replacement Back Catalog number: 385-0115-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended KB-5 Kynar Bag 5.0L Price on request C-BIO02-100 BioVOC-2 Breath Sampler, pk 100 Price on request 800257 Single Variable Flow Kit, 7-10 x 175mm Price on request