Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Back Catalog number: GPG37100 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9922-01-R Single Unit Replacement Charger only, USB GilAir-3 Price on request 800883-171-2305 GilAir-5 R Pump, 5-Pack with Universal 5-Unit Char Price on request 800573-3 Diagnostic Panel only, Hi/Lo (2-50cc, 20-200cc, 0. Price on request