13x18x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack Meters & Solutions height extension kit gives you

height extension kit gives you the ability to increase your growing height from 6’7″ to 7’7″

The Gladiator system comes complete with this hopper

these cultures promote the growth of naturally-occurring beneficial microorganisms

It helps increase plant cell strength and structure

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13x18x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack Meters & Solutions height extension kit gives youNordic 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.