20x25x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Water Pumps & Irrigation Supplies to stimulate plants and increase

to stimulate plants and increase nutrient uptake - which will lead to faster growth

Each shoe cover is low-linting and sterilized to the highest Sterility Assurance Level (SAL) of 10⁻⁶

Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts

Solid Start is used from the cloning/seedling phase into the transition phase of the plant’s life cycle

20x25x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Water Pumps & Irrigation Supplies to stimulate plants and increaseNordic 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