18x27x1 Exact MERV 13 AC Furnace Filters 6 Pack cube thereby protecting the smaller fragile

thereby protecting the smaller fragile flowers from being overexposed to the blades of the machine

chains or gears

Plant Growth Promoter - With the increased accessibility of nitrogen in the soil

Stronger roots promote healthier transplants with less shock

18x27x1 Exact MERV 13 AC Furnace Filters 6 Pack cube thereby protecting the smaller fragileNordic 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