14x14x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack complete-systems Patented Lock & Seal Plug

Patented Lock & Seal Plug System

An engineered hydrophilic foam cutting propagation medium specifically designed for optimal callus and rapid root development

and is completely soluble and safe

faster germination and enhanced plant growth for optimal gardening success

These additives are suitable for use in hydroponic

14x14x 1/2 Half Inch Ring Panel MERV 8 Furnace Air Filters 12 Pack complete-systems Patented Lock & Seal PlugNordic 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