Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended GPG37100 Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Price on request 910-0912-NO-R GilAir-Plus Data Logging 5-Pump Starter Kit, Bluet Price on request 811-0503-01 GILIBRATOR FEET, 4-PACK (includes for screws) Price on request