Terisass Air Filter 13mm/0.5in Car Intake Crankcase Vent Valve Cover breather Universal (Blue)+mini oil

️Working principle: increase the intake air flow, filter the impurities in the air, make the engine breathe more smoothly, prevent the dust suspended in the air from being sucked into the cylinder, and reduce the wear of the piston group and the cylinder. for k series valve cover breather blue ️Professional tools: cold air intake is installed in front of the carburetor or intake pipe to filter out dust and sand in the air and ensure that there is enough clean air to enter the cylinder. for reniflard 25mm ️Easy to install: Easy to install, no complicated tools, easy to use. Applicable gearbox type: MT manual gearbox. Available colors: red, blue, silver, black. Inner diameter: about 13 mm 0.5 inch Outer diameter: about 20 mm 0.8 inches for blue air filter hose ️After-sales service: We provide a 12-month product warranty and a 30-day money-back guarantee. If you like our products, please rest assured to buy. for crankcase breather ️Unique shape: The unique shape of air intake reduces the resistance of the engine's air intake, and improves the amount of air intake and volumetric efficiency per unit time when the engine is running. for 25mm crankcase air filter