【Deep removal of carbon deposits】Deeply remove the highly sticky carbon deposits on the intake manifold, intake & exhaust valves.（Solve the problems of unstable idling, insufficient fuel combustion, and reduced air-fuel ratio.)

【External air source】This enables the walnut sand grit to strike the carbon deposits more powerfully and efficiently.

【Built-in dust filter】It can separate the recovered walnut sand grit from carbon deposits for recycling.

【Integrated design】The walnut sand grit can be sprayed and recovered simultaneously.

【3 year warranty】For damage caused by non-human factors, we promise to resend parts for free within 3 years.