20x25x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack coco-cubes then product may be applied

then product may be applied up to and including day of harvest

5 in and weight is 30 lb

Apply every 7-14 days during the growing season 1-2 hours after watering

1400m3h @ 0

20x25x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack coco-cubes then product may be appliedNordic 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