18x18x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack Trimming Shears 4" High-Output In-Line Duct Fan

4" High-Output In-Line Duct Fan

during winter months

Athena CaMg is designed to supplement either of our 2-part liquid formulas

"Set it up near the barn and within a day it was already catching flies

Packs: 84mm

18x18x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack Trimming Shears 4" High-Output In-Line Duct FanNordic 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