Inlet Filter Replacement Housing for GilAir Plus Back Catalog number: 811-0940-01-R Manufacturer: SENSIDYNE Availability: In stock 6 pcs Price on request - + Recommended 811-9917-01 Go-Cal Replacent Filter Price on request 800573-100 Diagnostic Panel only, Hi/Lo (2-50cc, 20-200cc, 0.5-5LPM) with 100 inch Magnahelic Price on request GF25120 Filter, MCE 1.2µm 25mm, 100/Pack Price on request