The FLEETGUARD optiair 400 series plastic air filter housing offers enhanced air filtration to ensure optimal engine performance and longevity. Its durable plastic construction resists corrosion, providing extended durability. The lightweight design reduces vehicle load impact, contributing to improved overall performance. Featuring a streamlined housing design, it minimizes air resistance, boosting engine power. The housing ensures cleaner air intake, which helps in reducing engine wear and maintenance frequency.