12x12x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Air Purification Shaker Tube & Bag –

Shaker Tube & Bag – 10 per square foot biweekly as needed

Up to two AIRTITAN T3 or two AIRTITAN T7 can be linked to one controller to share the same programming

and longevity to grow sunup to sundown to sunup…year-round

which utilizes the Cal Check Solution to determine whether the probe is in need of cleaning or replacement

3 Year Warranty

12x12x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Air Purification Shaker Tube & Bag –Nordic 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