Home / Appliance / Parts / Air Purifier Air Switch F859-0381 Air Purifier Air Switch F859-0381Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: F859-0381 Brand: WHITE ROGERS CO. Seller: Sears PartsDirect Categories: Appliance, Parts Description This air switch (part number F859-0381) is for air purifiers. Air switch F859-0381 monitors airflow in the air purifier. Unplug the air purifier before installing this part. Wear work gloves to protect your hands.