Home Graco 110146 Air Line Filter - 1/4 NPT Graco 110146 Air Line Filter - 1/4 NPT by Graco Inc. Graco 110146 Air Line Filter - 1/4 NPT Click to expand Tap to zoom $107.99 Call 800-294-1605 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Centrifugal action 1/4 NPT(FBE) Air Filter. Manual drain.