Juliana Univent Automatic Window Opener
|
|
Juliana Univent Automatic Window Opener $44.99 Just The Right Accessory For You! Vent openers do not require electricity. The opener has a metal cylinder containing a mineral which expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston. The opening and closing of the vent is gradual allowing just the right amount of air flow for cooling. Th… |
April 10th, 2012 in
Uncategorized