20x34x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies Always use equal parts of

Always use equal parts of Athena Grow A & B to maintain proper mineral ratios

Oleaner Moth

not the lens frame

MERV 13 furnace air condition filters are comparable to HVAC filters with the rating of MPR 2200-2400

• Automatic Temperature Compensation for pH and conductivity

20x34x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies Always use equal parts ofNordic 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.