Highly efficient 35mm Air Filter It fits for most Chinese 110-125CC ATVs & Dirt Bikes & Pit Bike & Go Karts May also fit some Japanese Styles. Inside diameter: 35mm Higher air flow than normal filter for maximum power. tested for performance and reliability. filters increase air flow by up to 25% over standard filters. Please check pictures and specifications for compatibility. The 35mm air filter is the necessary components of a healthy indoor environment and an efficient HVAC system for any ATVs or motorcycles. It offers higher air flow than normal filter for maximum power. filters increase air flow by up to 25% over standard filters. material: metal Package Contents: 1 x motorcycle air filter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.