11 1/4x11 1/4x1 Exact MERV 8 AC Furnace Filters 6 Pack biological fertilizer Being a standard size

Being a standard size

2'x4' bloom footprint

the 150 micron replacement screen in the original Trim Bin screen

Coverage - Veg 7' x 7'

-Preserves organoleptic and medical qualities

11 1/4x11 1/4x1 Exact MERV 8 AC Furnace Filters 6 Pack biological fertilizer Being a standard sizeNordic 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