**REFURBISHED** Horti-Control Dust Shroom HEPA 4in

REFURBISHED A reusable foam HEPA filter called the Horti-Control Dust Shroom is intended to keep pollutants and unwanted pests out of air-cooled reflectors and indoor gardens. To develop a filter for indoor gardeners, Horti-Control collaborated with the industry pioneer in foam filter design. This ground-breaking filter will prevent dust from getting into your ducting, ice boxes, inline fans, and air-cooled reflectors. Additionally, it will keep germs, mold, mildew, and pests out of your garden!