20x25x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Commercial Lighting The controller features an on-board

The controller features an on-board processor that enables you to control fans in up to four zones with independent programming settings for each zone

Mildew Cure is packaged for large scale agriculture use

or any other method of fastener for easy retrieval

0% Water Soluble Magnesium

Made from environmentally degradable plastic

20x25x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack Commercial Lighting The controller features an on-boardNordic 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