16x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack house and garden soil * Energy efficient operation

* Energy efficient operation

1 x Humidity Sensor

Bringing very essential micronutrients for both the Vegetative and Flowering phases

This will significantly increase worm reproduction and speed up soil improvement

1 sec Contact Time

16x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack house and garden soil * Energy efficient operationNordic 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.