20x21x1 Exact MERV 14 AC Furnace Filters 6 Pack Lighting Dyna-Gro has spent over 30

Dyna-Gro has spent over 30 years developing the most concentrated and complete one part formulas on the market

Blade Design Mixed Flow

Brackets included for wall or ceiling mount

TurboKlone Spray Jet provides the best 360 - degree spray pattern of any hydroponic cloning system on the market

20x21x1 Exact MERV 14 AC Furnace Filters 6 Pack Lighting Dyna-Gro has spent over 30Nordic 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.