The air filter is made of high-quality aluminum alloy with exquisite workmanship and durability. The air filter is widely compatible with HSP 94188 94122, it is an upgrade accessory for 1/10 remote control car, better control your remote control car. The air filter adopts sponge with strong water absorption capacity, and the filtration efficiency is higher. And it's also easy to assemble. It can filter dust, sand and other impurities in the air to protect the normal operation of the motor. It is also the first choice for model enthusiasts and remote control enthusiasts. A great upgraded replacement for an old or damaged machine, and also helps to ensure that the original specifications of the equipment are respected. Size: 34.5*27.5mm color: red Contents of delivery: 1x, air filter carburetor (only the above package contents, no other products) Note: Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. thanks