11 1/4x11 1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack spl_hrg MERV 12 Plus Carbon air

MERV 12 Plus Carbon air filters are comparable to air filters with the MPR rating of 1500-1900

Mendocino Flower Hardener 0-37-37

85% pure with 95% reflectivity

blended from pure plant oils and extracts

multiple sub-zones within the grow space can be monitored and

11 1/4x11 1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack spl_hrg MERV 12 Plus Carbon airNordic Pure MERV 13 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200