Solar Tube

Solar Tube

$14.95
30 points (Avail: 0)
In Stock
Item #: SLR-222
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Watch the tube gently lift into the air. At 60 feet long with a 72 inch circumference, this is the largest Solar Tube available. Run to fill with cool air, tie off the end, and move it into the sun. As the bag heats, the 240 cubic feet of air expands, becomes less dense, and floats. Includes tube, string, and instructions.

Read more on our Blog - Density of Gasses