20_1/2x25_1/2x1 Exact MERV 12 AC Furnace Filters 6 Pack Nutrients and Supplements • Clean your tank and

• Clean your tank and replace your nutrient solution at least every week

Weight 17 lbs

An added source of carbohydrates is important during the flowering stage to ensure microbes can help your plants take up the nutrients they need to produce a healthy and aromatic crop

It measures up to 10

20_1/2x25_1/2x1 Exact MERV 12 AC Furnace Filters 6 Pack Nutrients and Supplements • Clean your tank andNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different