Janssens | Automatic Opener for Louvered Window CARPORT ACCESSORIES a glass/polycarbonate panel will be

a glass/polycarbonate panel will be omitted from your kit

Automatic shutters open while the fan circulates cool air over your plants

and thus the window opener is offset to the side to avoid conflicting with the wind brace

2mm acrylic glazed panels reduce noise and improve safety

For safety reasons

Janssens | Automatic Opener for Louvered Window CARPORT ACCESSORIES a glass/polycarbonate panel will beThe Janssens Automatic Opener for Louvered Window is an optional addition to your louvered window in your Janssens greenhouse. The black tube is filled with special paraffin oil which expands when the temperature reaches around 72 F and the piston will push the window open. When temperature falls, a heavy spring pulls the window closed. No electricity needed! WARRANTY 15 Year Limited Warranty