18x22x1 MERV 7 Plus Carbon AC Furnace Filters 12 Pack Power & Lamp Cords Place the cover on top

Place the cover on top of your 6 inch cube and instantly block light allowing roots to flourish and prevent algae

In gardens and greenhouses

Compatible with most fertilizers

To use simply place any FloraFlex® Insert Tray into the Bottom Tray

The DRIPCAP is made from recycled plastic which is recyclable & re-useable

18x22x1 MERV 7 Plus Carbon AC Furnace Filters 12 Pack Power & Lamp Cords Place the cover on topNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.