12x20x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Growing Media Minimum Order Quantity is 3

Minimum Order Quantity is 3 pieces

Once the volume of PBH is increased to 25% of the total volume

Why Plasma Air 50 Series Industrial Ionizer

These professional quality products have produced stronger plants and greater yields in various trials and are now used by several large-scale commercial growers across the country

Raphiolepis

12x20x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Growing Media Minimum Order Quantity is 3Nordic 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