Cleaning the Air-Care Filter Air-CareTM filter cleaning is quick and easy! On a monthly basis (more often, if needed) follow these easy steps: Simply remove the air filter Flush with water in the opposite direction of the air flow arrows (spray the cleaner on the two sides), then rinse the other side Spray both sides with an even coating of ZAP! CLEANER to remove stubborn stains Allow to soak for ten minutes Rinse the filter thoroughly to remove any remaining dirt Drain excess water and reinstall Back to Electrostatic Filter Page