Filter, 37mm, 0.8µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC837 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800470 Anti-Tamper Plate, GilAir-3/GilAir-5/BDX-II Price on request 800844-4-230 Gilibrator-2 Deluxe Diagnostic Kit, with Printer 2 Price on request 811-1501-01 Tubing, 3/8 in. ID x 36 in. long for Gilian 10i an Price on request