Hoklartherm | Riga Automatic Roof Vent Opener RUSTIC TABLE The Standard size is for

The Standard size is for Small

and easy to use

your growing needs and wants are met under one roof

35 lbs (Extra Large size)

27” W x 32” H Weighing 1100 Pounds

Hoklartherm | Riga Automatic Roof Vent Opener RUSTIC TABLE The Standard size is forRIGA Automatic Window Opener (no electricity needed) with quick release arm allows the opener to be disconnected in adverse weather conditions. The black piston cylinder is filled with a mix of oils that naturally expand around 73 degrees. As the oil expands, it will begin to push out the rod of the piston and open your window. The springs and the weight of the window will pull the window shut when the temperature drops.