14x20x1 Pleated MERV 7 Air Filters 6 Pack Liquid & Weight Measuring The wedge shape of the

The wedge shape of the growing media is proven to enhance the growth of roots for more robust plants by focusing root growth downward

Two year warranty

Water to runoff with a 1

top dress a high nitrogen amendment [like fish meal or bat guano] or water in 5-1-1 fish hydrolysate)

14x20x1 Pleated MERV 7 Air Filters 6 Pack Liquid & Weight Measuring The wedge shape of theNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters