12x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions The exceptional durability and strength

The exceptional durability and strength of this product has made it a choice for miners and prospectors

Just set the fill and drain cycles

For Hydroponics: Mix your normal nutrient solution and then add 5-15ml Ginormous per gallon of nutrient reservoir

Light Distribution Angle : 120°

clean and re-use them once every 2-3 weeks or when they become covered with insects

12x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions The exceptional durability and strengthNordic 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.