Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended C-BIO02-01 BioVOC-2 Breath Sampler, pk 1 Price on request 801804-1 Gilibrator-2 Deluxe Kit, No Printer, 230V, Euro Co Price on request 800844-2-230 Gilibrator-2 Standard Flow Diagnostic Kit, 230V, E Price on request