Royal Victorian Automatic Opener for Roof Window and Side Push Out Window wooden benches Rust resistant green powder-coated aluminum

Rust resistant green powder-coated aluminum frame with 60 sq feet of growing space

When paired with the roof vent

For indoor/outdoor use (does not leak)

4 curtains conveniently connected by zippers to provide complete privacy

7Box 3 Weight: 106

Royal Victorian Automatic Opener for Roof Window and Side Push Out Window wooden benches Rust resistant green powder-coated aluminumFor Royal or Junior Victorian Greenhouses: the black tube is filled with special paraffin 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! May also be used on side push out windows. Specifications: Fully automatic no electricity needed! Opens to approx 14" Black color