18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack extension Used alone or with existing

Used alone or with existing soil to rejuvenate it

It is also extremely effective in the soil (as a drench or flush) as it helps distribute water and nutrients deeper and more thoroughly while pushing out excess salts from the root zone

Calcium is known to play a major role in the quality of many crops

The attached reflector increases 30% efficiency

- Includes 8 foot pre-wired 120V cord

18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack extension Used alone or with existingNordic 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