Filter, 25mm, 5.0µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800685 Air Boss Kit, LFS-113 (required for bag sampling) Price on request 910-0912-EU-R GilAir-Plus Data Logging 5-Pump Starter Kit, Bluet Price on request 783-0013-01-R Battery Pack AA Alkaline Price on request