Filter, MCE, 0.45µm, 37mm, 100/Pack Back Catalog number: GF37450 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0905-01-R Inlet Filters, Replacement for GilAir Plus, Pack o Price on request 202046-72 Hose for 72" Sampling Mast, Aircon-2 Price on request 783-0015-01 Lithium Ion Replacement Battery Pack for Nephelome Price on request