4YourHome Foam Filter Sleeve Fits Shop Vac Wet Dry Replaces 90585 9058500 90585-00 Foam Filter Sleeve Fits Shop Vac Wet Dry Replaces 90585 9058500 90585-00 PROTECT YOUR VACUUM- This easy-to-install replacement foam sleeve filter keeps your wet dry shop vacuum safe from water-borne debris. When sucking up liquids, debris can be pulled into the motor reducing the life of your vac. WET MESSES- Help yourself, save your back, and save the trees by using your compatible Shop Vac Unit to clean up those wet messes around the house.