Automatic Louver Window Opener for Grandio 10X15 3" Hight Bottom Frame/Base

3" Hight Bottom Frame/Base

3 tiers measure 4’ x 4’ x 5

ASSEMBLED EXTERIOR DIMENSIONS DEPTH (FT) 10'6" ASSEMBLED EXTERIOR DIMENSIONS HEIGHT (FT) 7'7"

Whether heating

Automatic Louver Window Opener for Grandio 10X15 3" Hight Bottom Frame/BaseDESCRIPTION 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.