Filter, 25mm, 5.0µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0945-01-R GilAir Plus, DL to STP Upgrade (factory only) Price on request GPP3700 Filter, Support Pads, Porous Plastic, 37mm, 20.0µm Price on request 783-0013-01-R Battery Pack AA Alkaline Price on request