Description:

Inner Diameter (intake side): Approx. 33mm, Outer Diameter (intake side): Approx. 39mm. Inner Diameter (air filter side): Approx. 50mm, Outer Diameter (air filter side): Approx. 54mm.. Installation: Easy installation, No Installation Instruction Features: 1)Good at mixing fuel and air; 2) Keep engine running smoothly; 3)Prevent engine from lack of oil or oil spilling when working; 4) Avoid wasting of oil, to some extent; 5)High class quality and very durable,Good Working Condition and Easy to Install; 6) Low cost, Competitive price; 7) Low emission,enviromental friendly..