Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 360-0103-01 Manual, Gilian 5000 Price on request 811-0905-01-R Inlet Filters, Replacement for GilAir Plus, Pack o Price on request 910-1601-NO Gilian 12 Starter Kit, No Cord Price on request