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The ES means Extra Strength
Save money and reduce waste
You can also build your own system from the ground up by purchasing all the components individually
Plants need the energy from the ATP molecules to convert carbon dioxide to carbohydrates during photosynthesis
25x25x2 Pleated MERV 7 Air Filters 3 Pack Grow1 5' Steel Stake The ES means Extra StrengthNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters
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