Royal Victorian Automatic Opener for Louvre Window Balance 8' x 20 corrosion and mildew free• Twin-wall

corrosion and mildew free• Twin-wall 3

7Box 1 Weight: 141

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

The Palram - Canopia 1500-W Combo Plant Heater and Greenhouse Fan with digital thermostat and humidity controller allows you to conveniently grow year-round in your Palram - Canopia greenhouse and maintain optimal greenhouse heat and humidity levels with confidence

1Box 1 Weight: 136

Royal Victorian Automatic Opener for Louvre Window Balance 8' x 20 corrosion and mildew free• Twin-wallAutomatic 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