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

**REFURBISHED** Horti-Control Dust Shroom HEPA 4" The Horti-Control Dust Shroom is a reusable foam HEPA filter designed to keep unwanted pests and pollutants out of indoor gardens and air-cooled reflectors. Horti-Control teamed up with the leader in foam filter design for to create a filter for indoor gardeners. This revolutionary filter will keep your air cooled reflectors, inline fans, ice boxes and ducting dust free. It will also keep mold, mildew, pests and bacteria out of your garden! Keeping fresh air flowing into your garden without bringing in harmful bugs, mold, bacteria, and more can be a tall order. The Horti-Control foam filter Dust Shroom helps you do this all while not causing restrictions which reduces CFM (cubic feet per minute). Greenhouse Use When cultivating using a greenhouse made of transparent material, such as glass or plastic it becomes abundantly clear that plants require regulated climatic conditions - and to that circulation and fresh air are KEY! These structures range in size from small sheds to industrial-sized buildings but all require air flow and can be easily outfitted for Dust Shroom Filtration. Indoor Use When you grow indoor with artificial lighting, you can better control the quality of the material by controlling the conditions, manipulate the growth cycle to harvest more frequently. You can grow year round regardless of conditions outside but that also means that you have to bring the air from the outside in - and to that circulation and fresh air are also KEY! **REFURBISHED** The Horti-Control Dust Shroom is a reusable foam HEPA filter designed to keep unwanted pests and pollutants out of indoor gardens and air-cooled reflectors. Horti-Control teamed up with the leader in foam filter design for to create a filter for indoor gardeners. This revolutionary filter will keep your air cooled reflectors, inline fans, ice boxes and ducting dust free. It will also keep mold, mildew, pests and bacteria out of your garden!