Exaco Royal Victorian Automatic Opener for Louvre Window medium Key Features of Adventure Tower

Key Features of Adventure Tower Playset:

Introducing the Medium Chicken Coop

fitting inside the push-out window with a brush seal opening for the window device

this little greenhouse is tough

Exaco Royal Victorian Automatic Opener for Louvre Window medium Key Features of Adventure TowerDescription Automatic Opener for Louvre Window for Royal or Junior Victorian Greenhouses: the black tube is filled with special parafine oil which expands when the temperature reached around 72 and the piston will push the window open up to about 14". When temperature falls a heavy spring pulls the window closed. No electricity needed! Specs Specifications: Fully automatic no electricity needed! Opens to approx 14" Black color