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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Assembled Cold Frame: 15
2 top hanging side windows
Exaco Royal Victorian Spindle Opener
Length: 10'2" (4 panels)
Comes in both dark green and black
Exaco Royal Victorian Automatic Louvre Opener Window Agricultural Greenhouses Assembled Cold Frame: 15Exaco Royal Victorian Automatic Louvre Opener Window 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! Specifications Fully automatic no electricity needed! Opens to approx 14"
