14x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack Bio-Fertilizer Root development through the entire

Root development through the entire plug

This allows for the widespread use of an effective and efficient sanitizer

This kit contains 4" flanges that will allow you to set  up air-cooling of two Powerhouse ballasts or a Daystar DAUN reflector

or as a stand alone dechlorinating and sediment filter

Horizon Lift App

14x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 12 Pack Bio-Fertilizer Root development through the entireNordic 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