{"product_id":"b0dxfgq4kr","title":"Greenhouse Vent Automatic Opener Greenhouse Accessories Window Opener Auto Vent Kit Sensitive Gardening Tools Automatic Greenhouses Supplies Solar Heat Sensitive Dual Spring Lifts 33lbs (2pc)","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e【Temperature-Activated Operation】No electricity or batteries required! The greenhouse vent automatic opener automatically opens windows when temperatures rise above 77°F\/25°C and fully closes them when temperatures drop below 59°F\/15°C. Compatible with most greenhouse windows. Note：Place the cylinder in a chilled environment for approximately 10 minutes. Then take out it, manually extend and retract the cylinder, and reinstall it properly for use.\u003c\/li\u003e\n\u003cli\u003e【Sturdy Aluminum \u0026amp; Stainless Steel Build】The greenhouse accessories crafted with rust-resistant aluminum and stainless steel for long-lasting performance in humid conditions. The powder-coated aluminum cylinder ensures weatherproof durability. Supports up to 33 lbs (15 kg) and opens windows up to 18 inches (45 cm).\u003c\/li\u003e\n\u003cli\u003e【Reinforced Dual-Spring System】The window opener features heavy-duty dual springs (not single springs!) for enhanced stability and flexibility, even in strong winds. Quick-close function: During storms, squeeze the longest bracket parts and remove the 8-hole connector to close windows instantly.\u003c\/li\u003e\n\u003cli\u003e【Easy Installation】The automatic window opener includes rust-resistant screws and mounting clamps. Attach it directly to panels, metal frames, or wooden frames with just a screwdriver—simple and convenient! Comes with an illustrated manual.\u003c\/li\u003e\n\u003cli\u003e【Save Time, Protect Plants】Never worry about overheating or frost damage! Automates window control 24\/7, freeing up hours for plant care.\u003c\/li\u003e\n\u003cli\u003e【Installation Precautions】Bracket Setup: Detach the small bracket component first, securely tighten all bolts and nuts, then reattach the bracket. Cylinder Adjustment: Use hot water to extend the pneumatic cylinder to its maximum length. While extended, connect it to the T-shaped connector by inserting the thin pin into the outermost hole. This ensures the opener stays within the safe range and avoids overextending past the stop pin.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"upstartech","offers":[{"title":"Default Title","offer_id":42590742216801,"sku":"B0DXFGQ4KR","price":108.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0599\/0957\/0657\/files\/71Ienqc-fDL._AC_SL1500.jpg?v=1763021138","url":"https:\/\/gardenglowgo.com\/products\/b0dxfgq4kr","provider":"GardenGlow","version":"1.0","type":"link"}