Janssens
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The window features 11 glass panels and an extra glass piece underneath the window - for Royal or Junior Victorian Greenhouses.
Click to check all Victorian Greenhouse
For Royal or Junior Victorian Greenhouses: the black tube is filled with special parafine oil - which expands when the temperature reached around 72º and the piston will push the window open up to about 14". When the temperature falls a heavy spring pulls the window closed. No electricity is needed!. No electricity is needed!
Fly Screen Cover for Louvre Window
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The window features 11 glass panels and an extra glass piece underneath the window - for Royal or Junior Victorian Greenhouses.
Click to check all Victorian Greenhouse
For Royal or Junior Victorian Greenhouses: the black tube is filled with special parafine oil - which expands when the temperature reached around 72º and the piston will push the window open up to about 14". When the temperature falls a heavy spring pulls the window closed. No electricity is needed!. No electricity is needed!
Fly Screen Cover for Louvre Window
