Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 780-0015-05-R Calibrator cable (Gilibrator 2-USB and Gilibrator Price on request 800320-1 Air Boss & Restrictor Kit, GilAir-3/GilAir-5 and B Price on request 380-0036-01-R Hex Key, 2mm Price on request