This is a pack of four pre-oiled Lucky 7 RC 1/8 Off Road Air Filters, and are intended for use with the XRAY XB9 1/8 buggy. Lucky 7 air filters are precision cut two stage filters that offer excellent air filtration and protection for your engine in the harshest conditions. A unique ribbed pre-filter provides almost twice the surface breathing area when compared to a standard flat pre-filter.
Additionally, these filters have been pre-oiled with Lucky 7 filter oil, so you have a system that not only provides unmatched engine protection, but also an optimum foam density to oil viscosity ratio for incredible air flow. Conveniently packaged in a 4mil zipper bag, these filters are easily prepped and safely stored so they are ready to use when you need them. Dont roll the dice with your equipment, get Lucky.