8x20x1 Pleated MERV 14 Air Filters 3 Pack Tents / Indoor Greenhouses and maintain healthy and active

and maintain healthy and active soil structure

dual-level backlit LCD

• Miniaturized for easy transport

Blast Off is very effective in both Soil and Hydroponic gardens

Optimal air to water ratio

8x20x1 Pleated MERV 14 Air Filters 3 Pack Tents / Indoor Greenhouses and maintain healthy and activeNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.