Filter, 25mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9927-05 Cyclone, GK 2.69 37mm O-Ring Kit Price on request 360-0049-01 Manual, Gilibrator-2 Flow Monitoring Software Price on request 800843 Carrying Case, Hard Side, Deluxe (18" x 13" x 7"), Price on request