Fdit Automatic Window Opener, Thermal Auto Vent Opening Tool for Greenhouse Home Aluminum Universal Blind Louver Window Opener Dual Spring Support Bar 34cm 1 Pack
Special Features
PREMIUM MATERIAL: Made of high quality aluminium material, not easy to rust and durable in use.
EXCELLENT DESIGN: Spring and support bar provide additional protection against wind damage.
INSTRUCTIONS: The window opener automatically opens and closes as the temperature changes.
EASY TO INSTALL: Universal, easy to install and use, suitable for any blind window, easy to use.
ADVANTAGE: Easy fitting by clamps or screws provided, no batteries or electricity required.
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