15x9x1 MERV 13 AC Furnace Filters 6 Pack veg-and-bloom it prevents them from reproducing

it prevents them from reproducing and creating more to deal with

The air conditioner filter media will not support the growth of mold or bacteria

Works best in temps above 60°F and requires just one application for most weeds

from seedling through harvest

COMPOST TEA - 1 cup Insect Frass per 50 gallons of tea - add ½ dose at beginning of brew

15x9x1 MERV 13 AC Furnace Filters 6 Pack veg-and-bloom it prevents them from reproducingNordic 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