16x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack growing-media Worm castings and zeolite help

Worm castings and zeolite help conserve water and leaching

Adjustable wings for optimum light

Intended for non-selective control of grasses and broadleaf weeds (both annual and perennial) in and around all crop and non-crop areas

Webworm (Hyphantria cunea)

• Micro mesh pest control pre-filters

16x24x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack growing-media Worm castings and zeolite helpNordic 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