Pre-oiled with Twin Air BIO Foam Filter Oil using state of the art filter oiling machines, which provide ultimate consistency in pore coverage
Replacement backfire resistant air filters for Twin Air Airbox Kits (sold separately)
Fused, dual layer backfire resistant offroad air filter for four stroke Yamaha YZ/WR dirt bikes
Coarse, open pore outer foam catches airborne dirt, grime and sand before they can damage your engine
Free flowing, backfire resistant foam laminated to the inside of the air filter eliminates restrictive, stock backfire screen
Fine pore inner foam designed for 4-stroke engines acts as a second filter to trap the smallest particles, while ensuring maximum air passage
Thick, flat foam greaseless sealing ring ensures maximum contact with your airbox, while acting as a breathable gasket for increased air passage
Fused inner and outer elements prevent dirt and grime from being lodged between layers
Washable/reusable design for enhanced cost effectiveness, reusing a Twin Air foam air filter 40-50 times is common
Exclusively formulated adhesive withstands repeated cleanings, even with harsh solvents or gasoline
Slightly smaller than stock filters to increase air space around the filter and improve circulation
High quality construction, assembled by hand and inspected for a perfect fit
Evenly sized and distributed cell pores for even coating of air filter oil
Green BIO Liquid Power air filter oil micro-coats the foam cell walls and prevents dirt, dust, mud and even water from entering your carburetor
Boost your vehicle's performance with the first biodegradable air filter oil that works in all riding conditions, with the added convenience of wash down the drain cleaning
Packaged in a resealable bag for added convenience
