Filter, 25mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-BIO02-10 BioVOC-2 Breath Sampler, pk 10 Price on request 811-9932-01 Belt Harness Assembly for FSP-10, FSP2, and GSP-3. Price on request GPG37100 Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Price on request