Automatic Opening Closing Louver Blind Window Opener, Temperature - Activated Window Opener Tool for Home Office, Aluminum Vent Opener with Spring Support Bar for Passive

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—starting to open at 63–78°F (17–25°C) and fully opening by 86–90°F (30–32°C)—providing smart, passive ventilation without electricity or batteries.
• Wind- Design: Equipped with a heavy-duty spring and a 13.4-inch support bar, this window opening tool delivers 55 lb of opening force and 33 lb of closing force, ensuring stable operation even in breezy conditions while protecting your window from slamming shut.
• Universal Compatibility: Designed for easy use in homes, greenhouses, offices, or sheds, this blind window opener fits most standard louver windows. Whether you’re cooling a sunroom or ventilating a workshop, it works seamlessly across diverse settings without complex setup.
• Premium Aluminum Build: Crafted from rust-, high-quality aluminum, this durable window opener withstands long-term exposure to heat and humidity. Its - material ensures reliable performance season after season with minimal maintenance.
• Tool-Free Installation Kit Included: Comes with clamps, screws, and all necessary mounting hardware for quick setup—no drilling or wiring needed. The package includes 1 support bar, 1 spring fixing tool, multiple screws and rings, and a clear instruction manual for hassle-free assembly.