Filter, 25mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCO37050-2 Housing, 37mm, 2Pc, 50/Box Price on request 811-1004-01 PM-2.5 Impactor Kit, Replacement for Models 810-10 Price on request 202142 Aircon Airboss, for inlet or outlet Price on request