9_3/4x23_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack Grow Light Ballasts It is also meets the

It is also meets the organic production standards of the Organic Materials Review Institute (OMRI) and is OMRI listed for organic production

This durable and high quality 6"

Brown Kelp's slow growth cycle packs it with maximum levels of amino acids

Delivering an average of 295 µmol/m2/s over a 2’4’ area

Optimize Coverage - 5ft × 5ft

9_3/4x23_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack Grow Light Ballasts It is also meets theNordic 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