20x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack coco Increases harvest from small garden

Increases harvest from small garden spaces and keeps produce clean

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You can daisy-chain up to 4 of these units to the MTMDU unit to maximize your seed starting area

Azomite has been mined in Utah for more than 60 years

This CO2 controller can accurately monitor room CO2 levels and turn CO2 regulators or generators on and off

20x20x 1/2 Half Inch Ring Panel MERV 10 Furnace Air Filters 6 Pack coco Increases harvest from small gardenNordic 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