28x34x1 MERV 14 AC Furnace Filters 6 Pack Tents & Tarps It has a unique blend

It has a unique blend of ingredients that combine essential carbohydrates and enzymes which promote energy metabolism and protein synthesis

Regulates beneficial nutrients

Nontoxic and safe for workers

The spectral energy of Ceramic HPS is unmatched in the Horticulture market and is only possible through the exclusive EYE HORTILUX chemistry

Reapply if it rains within 24 hours of application

28x34x1 MERV 14 AC Furnace Filters 6 Pack Tents & Tarps It has a unique blendNordic 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.