Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0504-01-R Single Unit Replacement Charger only, USB Gilibrat Price on request 201044-10 Filter Housing, Front, GilAir-3/GilAir-5 Price on request 811-0902-EU-R Five Station Basic Dock 100-240Vac, 50-60 Hz, Euro Price on request