14x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack grow-light-reflectors Number of sites: 23

Number of sites: 23

3 in | Airflow: 52 CFM | Noise: 18 Dba | Bearings: Dual Ball

and sturdy construction ensure durability and reliability and the removable/adjustable base with suction cup feet prevent it from sliding or moving

Life Cycle & Behavior: Lacewing eggs hatch within 3-10 days of receipt depending on temperature and humidity in the release area

yielding 70% energy savings versus the 1000W HID lights they replace

14x20x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack grow-light-reflectors Number of sites: 23Nordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high capacity, polyester filter material which acts as a pre filter, capturing large airborne particles. The second, more efficient, layer is a MERV rated smooth poly blend filter material. The electrostatic charge works as a magnet to draw in