No Toil Pre Oiled Air Filter Honda Trx450 Constructed with the same meticulous attention to quality as the Standard Air Filters, the Pre-Oiled Air Filters are already treated with the proper amount of Evolution Air Filter Oil, ensuring they are ready to use immediately after opening. Each package includes gloves, allowing for a clean installation process. Features: Dual stage foam with two different pore sizes trap even the smallest dust particles Flame laminated foam means both foam stages are heat sealed together and not glued which provides maximum airflow Reticulated foam construction increases dirt-stopping surface area and increases foam strength Light color foam is easier to spot filter oil and assure even distribution Sold individually Made in the USA