Hydrofarm Black White Poly 100' x 10' 4 mil controllers or loosely cover the area

or loosely cover the area you want to protect

The design also includes double-barbed ends for a tight seal with tubing

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The Grow1 Digital Microscope uses 'Plug & Play' technology (included Mini CD ROM not required) and takes still photos

Hydrofarm Black White Poly 100' x 10' 4 mil controllers or loosely cover the areaDescription Product Details: Get double the grow room assistance with this waterproof alternative to metalized film. Unroll this two sided film and custom fit your indoor garden, eliminating concerns over whether you've got afternoon facing light or a climate that supports your preferred greenery. Use the white side for walls and floors, taking advantage of the material's 90 percent reflectivity. When you want to block out light and sun, use the light