12_3/4x20_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack food-&-water-storage giving you accurate readings and

giving you accurate readings and easy control without needing to directly access your dehumidifier

Simply place above plant canopy and replace after 30 days

which eliminates any chance of starting the spiraling process as well as dramatically increases growth rates

NOTE: Photo shows full display

4 reflective pieces

12_3/4x20_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack food-&-water-storage giving you accurate readings andNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200