8_1/2x30x1 Exact MERV 8 AC Furnace Filters 6 Pack shredder and suppresses powdery mildew

and suppresses powdery mildew

For use in home gardens and greenhouses

Add a few drops of pH Up to your nutrient solution to increase the pH levels

• Increases insect and fungi resistance

8_1/2x30x1 Exact MERV 8 AC Furnace Filters 6 Pack shredder and suppresses powdery mildewNordic Pure MERV 8 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 and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters