21x21x1 Exact MERV 8 AC Furnace Filters 6 Pack PPE 8" High-Output In-Line Duct Fan

8" High-Output In-Line Duct Fan

Suitable for the entire floral distribution chain

Its unique air ventilation and circulation design does not require air pumping to generate additional oxygen in and hot air out of the growing chamber

Castings are a source of over 60 micronutrients and trace minerals

The SuperPonics XL12 Plant Hydroponic Grow System grows your plants up to 5x faster

21x21x1 Exact MERV 8 AC Furnace Filters 6 Pack PPE 8" High-Output In-Line Duct FanNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters