16x20x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Nutrients and Supplements Slim-Scrub

Slim-Scrub

Used for rooting cuttings of plants that will later be transplanted to either soil or a soilless medium

It’s the root zone

rapid plant response from seed to flower

the greenhouse can simply be moved out of the way and put back when finished

16x20x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 12 Pack Nutrients and Supplements Slim-ScrubNordic 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