Solar Heat Activated Automatic Greenhouse Window Opener, Galvanized Steel Auto Vent Opener with Temperature Control for Greenhouse, Hothouse, Sunroom

Color: SilverMaterial: Galvanized SheetSize: Maximum Height to Open the Window: 18 inPackage Includes: 1 x Automatic Window Opener Assembly Kit, 1 x User ManualNote:- Please refer to the measurement. Tiny measuring error is allowable in normal range.- There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.

• Greenhouse Ventilation Auto Regulation: Opens and closes greenhouse windows with temperature fluctuations, ensuring fresh air circulation without daily tweaks; Ideal when you're away and can't oversee heat accumulation.
• Temperature Responsive: The temperature-sensitive cylinder triggers window motion within 61-77℉ (16-25℃), achieving full opening at approximately 86℉ (30℃) based on load and setup; It operates without wiring, batteries, or physical handling.
• Window Opening Range Support: Intended for opening vent or roof windows by about 18 in; Good for outward-opening greenhouse windows up to 15.4 lb; Regulated motion avoids abrupt drops during functionality.
• Rust-Resistant Galvanized Build: Constructed from galvanized sheet for resisting corrosion in wet greenhouse settings; Endures continuous opening over growing spells; Made for extended use.
• Broad Applications: Appropriate for greenhouse roofs, hothouses, and sunrooms needing ventilation; Alleviates extra heat on warmer days; Demands correct setup and seasonal care as stated in the guide.