Horti-Control Dust Shroom Options:Horti-Control Dust Shroom 4 in They were designed to block

They were designed to block UV when lighting products in retail stores

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The Marina Check Valve prevents water from siphoning through the air hose and into the air pump in the event of a power failure or when removing filters and other air-driven accessories

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Horti-Control Dust Shroom Options:Horti-Control Dust Shroom 4 in They were designed to blockThe 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 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!