18x20x2 Pleated MERV 13 Air Filters 12 Pack DUCTWORK Plant right in the bag

Plant right in the bag

This can process up to 15 lbs of material per extraction cycle

root drench every 5 days

no heat or chemical solvents are used

Works great in EZ clone type setups

18x20x2 Pleated MERV 13 Air Filters 12 Pack DUCTWORK Plant right in the bagNordic 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