Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0905-01-R Inlet Filters, Replacement for GilAir Plus, Pack o Price on request GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request GF25500 Filter, MCE, 5.0µm, 25mm, 100/Pack Price on request