21 1/2x24x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack lighting-accessories Internal resin coating protects components

Internal resin coating protects components for long life

including heavy feeders

To ensure maximum reflectivity and prevent light leaking

K-L-N Concentrate can be easily applied after cuttings are stuck through an injector

With Nitro Nutrients GROW

21 1/2x24x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack lighting-accessories Internal resin coating protects componentsNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.