X-PRO 35mm Air Filter 50 cc 70cc 90 cc 110cc for ATVs Dirt Bikes Go Karts Quad 4 Wheeler Pit Bike Dune Buggy Sandrail Roketa SSR Coolster Taotao Sunl 35mm Air Filter. Top Quality Guaranteed. It fits for most Chinese 50-110cc ATVs, Dirt Bikes, Go Karts; May also fit some Japanese Styles Inside diameter:35mm; Higher air flow than normal filter for maximum power Race tested for performance and reliability; Race filters increase air flow by up to 25% over standard filters Please identify X-PRO NO. 1 China Motorcycle Parts Brand, Better Then OEM Parts.