10x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack Environmental Controllers the RAY44 adapts to your

the RAY44 adapts to your crop

• Rejuvenating plant growth cells

Coverage up to 320 sq

Features 2 growing rooms to offer continuous growing

Designed to bring simplicity to nutrient testing

10x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack Environmental Controllers the RAY44 adapts to yourNordic 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