12x20x1 Pleated MERV 14 Air Filters 3 Pack hand-tools 1 Phase) is built to

1 Phase) is built to last

Use 2-8 oz of product per acre

Directions for Use:When expanding your organic coco use your regular vegetative nutrient solution and double the recommended use of desired cal mag

but can be costly and inefficient when using bottled CO2 tanks

and more—any area where space is limited and air circulation is desired

12x20x1 Pleated MERV 14 Air Filters 3 Pack hand-tools 1 Phase) is built toNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.