Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended GP25 Filter Support Pads, Porous Plastic, 25mm, 100/Pac Price on request GC738PC Cassette, 37mm, 3 pc, 0.8µm Polycarbonate, 50/Box Price on request 400506 Impinger, Special Midget, Fritted (25ml) Price on request