#101039 - Air Filter Connector Black Trophy 3.5 Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
#101786 1:8TH SCALE WATERPROOF AIR FILTER FOAM ELEMENTS
#101125 Air Cleaner Outer Foam
#101827 1:8TH SCALE WATERPROOF AIR FILTER (TROPHY NITRO)