The aFe POWER filter restore kit includes highly refined air filter oil plus a bottle of aFe POWER Filter Cleaner to service reusable air filters. The oil is refined to help capture and retain fine debris and is formulated so it will not harm MAF sensors; it releases dirt without damaging filter microfibers. Re-oil every 20–30k miles and avoid over-oiling.
aFe MagnumFLOW Chemicals CHM Restore Kit Squeeze Single Blue