20x22x1 Pleated MERV 13 AC Furnace Filters 3 Pack biological fertilizer so it runs cool without

so it runs cool without the need for fans or additional cooling systems

Flame is very effective in both Soil and Hydroponic gardens

swimming pools

Insects that do come looking for a meal or a place to lay their eggs are repelled for 1-2 weeks

34" exible

20x22x1 Pleated MERV 13 AC Furnace Filters 3 Pack biological fertilizer so it runs cool withoutNordic 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