Filter, 25mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended F-PRO-3100 Manual, Aircon-2 Price on request 6075-0428-25 Battery Pack Mounting Screw (Sold in pack of 25) Price on request 783-0008-04 Battery Pack, Replacement BDX II, NiMH Price on request