16x30x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack spl_hf In the weeks before the

In the weeks before the flushing the dose can be increased to 4ml per litre water

blended with Vermicrop's earthworm castings

White powder-coated steel housing is durable

Our SoftEdge cleaning media is a high-tech spin off from the aerospace industry

Tussock moths

16x30x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack spl_hf In the weeks before theNordic 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