or 1 pouch per 750-1500 gallons
or any time water will be stored
and others are actually made from recycled products
flowers and fruit and to aid in the production of essential oils and fragrances in flowers and herbs
This Elite 144 comes with our recommended vented humidity dome which helps with root growth and development
17x25x1 Exact MERV 13 AC Furnace Filters 6 Pack loose coco or 1 pouch per 750-1500Nordic 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