Royal Victorian Automatic Opener for Louvre Window Balance 8' x 20 Simply insert the Plant Hanger

Simply insert the Plant Hanger clips into roof rafter channels and twist to install

corrosion and mildew free• Twin-wall 3

Model: HG9584

Sealed regulating unit reduces water pressure stream

Grey EAN/UPC: 017783141646

Royal Victorian Automatic Opener for Louvre Window Balance 8' x 20 Simply insert the Plant HangerAutomatic 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" Black color