20x27x1 Exact MERV 12 AC Furnace Filters 6 Pack Growing Media Both have the highest available

Both have the highest available PAR light output and increased spectrum with use

Gorilla Grow Tent's new short grow tent is making big waves in the industry

NOTE: Photo shows full display

Each time air passes through a Nordic Pure Pleated ASG replacement furnace filter

Do not use with other pesticides

20x27x1 Exact MERV 12 AC Furnace Filters 6 Pack Growing Media Both have the highest availableNordic 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