20x32x1 Exact MERV 12 AC Furnace Filters 6 Pack complete grow kit Note: This item is for

Note: This item is for commercial use and has no retail wrapping or labeling

Cultiwools’ growing blocks are unique in the most efficient way

Lightweight durable & easy to use

Suggested Uses: For use as a bactericide

Helps prevent excessive stem elongation

20x32x1 Exact MERV 12 AC Furnace Filters 6 Pack complete grow kit Note: This item is forNordic Pure MERV 12 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, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different