11 1/4x19 1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 12 Pack shredder This produces a massive crop

This produces a massive crop

The Variable Fan Speed Controller enables you to determine precise temperature levels to achieve within your growing environment by way of proper ventilation

Compatible with: Dry

(7) raised air slots

Seedlings started in cubes are easily transferred to blocks and then onto slabs

11 1/4x19 1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 12 Pack shredder This produces a massive cropNordic 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.