12x12x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack grow-systems-trays-reservoirs They’re ideal for areas that

They’re ideal for areas that experience high foot traffic such as entryways and/or doorways

HORTILUX Metal Halide provides optimum spectral energy required for vegetative growth

Dimensions: 4’x4’x6’7″

measuring 17 x 10

Fill your reservoir with clean water before administering any nutrient or additive

12x12x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack grow-systems-trays-reservoirs They’re ideal for areas thatNordic 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