Janssens | Automatic Opener for Louvered Window cupola roof Glass Walls

Glass Walls

Fully Solar Powered: Fitted with a powerful and efficient monocrystalline solar panel

Also known as T-Head or Hammer bolts

The system includes the CONTROLLER 69 PRO

This LED grow light for plants comes with a 3 Ft

Janssens | Automatic Opener for Louvered Window cupola roof Glass WallsThe 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