Filter Housing, Rear GilAir-3/GilAir/5 Back Catalog number: 202816-1 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF25500 Filter, MCE, 5.0µm, 25mm, 100/Pack Price on request 298-0031-01-R Single Unit Replacement Power Adapter only, USB Price on request GB37R1000 Band, 37mm Shrink, Red 1000/Pack Price on request