Keep your air filters in top condition with Walker Airsep's Cleaning Kit for Blue Filters.This Walker air filter cleaning kit is specially formulated for Walker Airsep or Walker Everquiet assemblies that utilize a blue air filter element.Each kit can typically clean four (4) 9" x9" tapered filters or up to two (2) oval specialty air filters found on Cummins and MAN Everquiet engines. Includes formulated cleaner solution and genuine blue oil to recondition your filters.Apply cleaning solution with spray bottleApply air filter oil with quick and easy-to-use aerosol dispenserData Sheetfor Cleaning Solution