Specifications:
100% brand new and high-quality performance filter.
Color: red.
Material: metal, plastic.
Filter Element: Foam / Sponge.
Inlet diameter: approx. 1.1 inch / 28mm.
Has 2 layers of foam, a thinner outer later and a thicker inner layer.
Fitment: universal fits for most 27mm, 28mm, 29mm motorcycles.
Please check dimensions before ordering to see if it is suitable for your engine.
Package includes: 2 x filter. 2 x clamp.

Compatible with:
Fits 50cc - 90cc, 110cc, 125cc, 150cc engines, GY6 engines.
For most motorcycle, atv, quad, scooter, go kart, moped, mini bike, mini moto, pocket bike, pit bike, dirt bike, and other bikes.
for CB50J, CRF50, XR50, MB5, SS50, Kawasaki AE/AR50, Suzuki GT50, OR50, TS50R, XKE, ZR50KEN/SLK/SKS, Yamaha DT50, Enduro/M/MX, RD50M/MX.
Fit most Chinese import Pit / Dirt bikes, almost all of the bike brands from China, such as TaoTao, Buyang, Coolsport, Jonway, Znen, NST, BMX, Kazuma, Sunl, Roketa, AIM-EX etc.

This product may interfere with the proper operation of a vehicle's emissions control systems which violates Title II of the Clean Air Act. Amazon policy prohibits the sale of products that violate the Clean Air Act, including products intended to defeat, bypass or shut down emission control devices.