Filter, 25mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 201050 Filter, Replacement, GilAir-3/GilAir-5/BDX II Price on request 811-0920-01 Replacement Valve Caps (Pack of 2) Price on request GB37R1000 Band, 37mm Shrink, Red 1000/Pack Price on request