● It can draw more air into your engine, improve throttle response and more horsepower. ● The fine mesh increases the amount of air flow, straightens the flow and stop sucking hot air from high temperature engine compartment. ● Get instant horsepower by improving the filtering process. ● Washable and reusable. ● Easy to install and use. Name:Air Filter Colour: Red Material:Aluminum alloy Type:Air Intake Filter Model Name:Air Cleaner Intake Filter Item Type:Air Filters & Systems Shape:Round Tapered size:Air filter Mounting Holder inner diameter : 42MM Fit:For 47/49cc pocket bike mini dirt bike. Features: This is a great kit to upgrade the stock air filter of your 47/49cc pocket bike mini dirt bike. The performance air filter is for high flow racing. Package Contents: 2*Air Filter Only the above package content, other products are not included. Note: Light reflection 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.