Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 360-0041-01 Manual, LFS-113 (CSA/ATEX Version) Price on request 811-0920-01 Replacement Valve Caps (Pack of 2) Price on request 800255 Single Variable Flow Kit, 7-10 x 110mm Price on request