Automatic Opening Closing Louver Blind Window Opener, Temperature - Activated Window Opening Tool for Home Office, Aluminum Louver Opener with Spring Support, No Battery Required

Condition: 100% Brand NewItem Type: Window OpenerMaterial: AluminiumOpening Force: 25kg / 55lbOperation Area: Start at 17-25℃ (63-78℉)Maximum Open: Full at 30-32℃ (86-90℉)Closing Force: 15kg / 33lb via heavy duty springSupport Bar Length: Approx. 34cm / 13.4inSpring Fixing Tool Size: Approx. 14 x 5 cm / 5.5 x 2 inWeight: Approx. 343g / 12.1ozPackage List：1 x Support Bar1 x Spring Fixing Tool4 x Slotted Screw2 x Small Cross Nail4 x TD Screws2 x Small Screw4 x Large Round Fixed Ring2 x Small Round Fixed Ring2 x Round Iron Ring1 x Instruction Manual

• Temperature-Activated Operation: This automatic window opener opens and closes your louver blind window based on ambient temperature changes, providing natural ventilation without electricity or batteries—ideal for greenhouses, attics, or sunrooms where climate control matters.
• Wind- Design: Equipped with a spring and support bar, this louver opener adds stability to your window, reducing the risk of damage from strong gusts while maintaining smooth automatic movement in changing weather conditions.
• Universal Compatibility: The blind window opener fits most standard louver windows in homes, offices, greenhouses, or sheds. Whether you're managing indoor humidity or improving airflow, this tool works seamlessly across various settings without complex setup.
• Durable Aluminum Construction: Made from high-quality aluminum, this window opening tool resists rust and , ensuring long-lasting performance even in humid or outdoor environments—no flimsy plastic parts that crack or degrade over time.
• Easy Installation Included: Install this louver opener in minutes using the provided clamps or screws—no wiring, no tools beyond basic household items. The package includes all necessary hardware for quick, secure mounting on your existing window frame.