16x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack garden-accessories All RAW Microbes are Double

All RAW Microbes are Double Tested

Easy to install and maintenance free

Made from 3

hand/hand-held sprayers

Perfect for hydroponics

16x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack garden-accessories All RAW Microbes are DoubleNordic 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