20x25x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack grow media Selectable units for °C and

Selectable units for °C and °F

Green LED identification lights inform you of the unit's status at all times

Use KALIX Yucca as a wetting agent or surfactant in foliar sprays and nutrient solutions

UPC: 813383018315

Fixed length

20x25x 1/2 Half Inch Ring Panel MERV 13 Furnace Air Filters 6 Pack grow media Selectable units for °C andNordic 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