Horti-Control Dust Control Size:8" They feature the same thickness

They feature the same thickness and design as their white trays

Ideal for saltwater and freshwater

Ona Liquid can be added to commercial misting systems

B-52 can promote the growth of roots

Ideal for use with the following Bluelab Meters: Bluelab Combo Meter

Horti-Control Dust Control Size:8" They feature the same thicknessThe 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!