Inlet Filters, Replacement for GilAir Plus, Pack o Back Catalog number: 811-0905-01-R Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 385-0115-01 Nephelometer O-Ring, Replacement Price on request GF37450 Filter, MCE, 0.45µm, 37mm, 100/Pack Price on request GFG858X10 Filter, Glass Fiber, Binderless, 1.1µm, 8" x 10", Price on request