Hoklartherm | Riga Automatic Roof Vent Opener Metal Storage Shed Kit 9% of harmful UV rays

9% of harmful UV rays and 0

while the sturdy 17-gauge aluminum frame and tempered glass panels provide exceptional durability against strong winds

WARRANTY & User Care

A solid foundation is highly recommended for proper anchoring and stability

Hoklartherm | Riga Automatic Roof Vent Opener Metal Storage Shed Kit 9% of harmful UV raysRIGA 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.