Features 1、Aluminium alloy material has high strength and durability 2、Sponge with large intake may help increase the speed 3、Suitable for HSP 94122 / 188 or other 1/10 RC cars 4、Can filter impurity of the air to help your RC car's engine function smoothly and stable 5、Preventing cylinder scoring to prolong its lifetime Features: Aluminium alloy material has high strength and durability. Sponge with large intake may help increase the speed. Suitable for HSP 94122 / 188 or other 1/10 RC cars. Can filter impurity of the air to help your RC car's engine function smoothly and stable. Preventing cylinder scoring to prolong its lifetime. Easy to install and remove. Specifications: Material: Alumnium Alloy + Sponge Optional Colors: Blue, Gold, Purple Compatible: for HSP 94122 / 188 or other 1/10 RC Cars Size: 5.5 * 3.5cm / 2.2 * 1.4inch Weight: 18g Type: RC Accessory Package Include: 1 x RC Car Air Filter Package List