18x24x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack refurbished-products Its UV treatment kills all

Its UV treatment kills all living bacteria and microbes and ensures safe water for your family and plants

It decreases water and nutrient usage

and 2 side support brackets

use 1mL liquid Chlor-a-clean

18x24x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 12 Pack refurbished-products Its UV treatment kills allNordic 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