Action three: Scrub the Vent Go over Wash off the outer vent go over using a cloth with warm water plus some dishwashing liquid to eliminate Dust, dust, and soil. Rinse with drinking water and reattach the vent cover. Be sure to use a thin hose attachment to extend the https://www.google.com/maps/d/edit?mid=1uctnk7-he74GggBUfqSIPuAnUQ2QyeA&usp=sharing