Automatic Louver Window Opener for Grandio 10X15 Yes PRODUCT FABRIC Polycarbonate SHADE

Yes PRODUCT FABRIC Polycarbonate SHADE CLOTH INCLUDE No # OF PEOPLE FOR ASSEMBLY 2

these wood frame greenhouses offer superior insulation and stability

Snow Load 15

3" Hight Bottom Frame/Base

5 Years Warranty + USA-Based Customer Support

Automatic Louver Window Opener for Grandio 10X15 Yes PRODUCT FABRIC Polycarbonate SHADEDESCRIPTION The Grandio Automatic Louver Window Opener adjusts airflow based on temperature changes. This opener features a metal cylinder with an expanding mineral that pushes a piston to open the vent when heated. As it cools, a spring closes the vent. Attach it to the left side of your louver window for optimal cooling. Please call to order a Right Side Orientation Auto Opener for Louver Windows purchased prior to September 1, 2016.