14x18x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack cloning-&-seed-starting Designed for maximum efficiency and

Designed for maximum efficiency and e-ballast compatibility

The LCD screen clearly displays information with measurements in liters or gallons

we have perfected a uniquely enriched blend that we know you’ll love

Hydrofarm's Fan Speed Adjuster was designed especially for centrifugal fans

This is the perfect time to remove the flowers from the stems

14x18x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack cloning-&-seed-starting Designed for maximum efficiency andNordic 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.