20x20_1/2x1 Exact MERV 13 AC Furnace Filters 6 Pack fans-ventilation-ducting Compatible with all growing mediums

Compatible with all growing mediums and watering methods

5-gallon Black GeoPot with handles for easy repositioning

Double seal

strong and durable ensuring the best results time after time

20x20_1/2x1 Exact MERV 13 AC Furnace Filters 6 Pack fans-ventilation-ducting Compatible with all growing mediumsNordic 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