Grodan Improved Pro MM 40/40 6/15 Plugs, 1.5Inches x 1.5Inches x 1.5Inches, 2250 per box, Commercial (Pro) titan-controls-zephyr-1-day-night-temperature-controller reducing your cultivation footprint by

reducing your cultivation footprint by up to 50%

Built-in defrost that is designed for operation down to 41°F

It is reusable as long as it is thoroughly cleaned between uses

Also includes optional plate to block air from one side

Kills all stages of insects

Grodan Improved Pro MM 40/40 6/15 Plugs, 1.5Inches x 1.5Inches x 1.5Inches, 2250 per box, Commercial (Pro) titan-controls-zephyr-1-day-night-temperature-controller reducing your cultivation footprint byNew Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform, optimized wool resulting in a