25x25x1 Pleated MERV 13 Air Filters 6 Pack AIR FILTER BOXES Urea-Free Formula: Will not burn

Urea-Free Formula: Will not burn your plants

Virtually eliminates transplant shock & stress

making it the go-to choice for certified organic operations and eco-conscious growers who refuse to compromise on results

The new SQ300W Pro Full-Spectrum LED

and increases nutrient uptake

25x25x1 Pleated MERV 13 Air Filters 6 Pack AIR FILTER BOXES Urea-Free Formula: Will not burnNordic 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