10x14x1 MERV 13 AC Furnace Filters 12 Pack double-ended This greatly reduces the air

This greatly reduces the air conditioning required to maintain the growing envirment at desired temperatures

not against it

and keeps stray drug molecules away from pharmacists

Suggested Uses: For use on all indoor and outdoor plants to stimulate root growth

This 3 in 1 device will measure your pH levels

10x14x1 MERV 13 AC Furnace Filters 12 Pack double-ended This greatly reduces the 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