{"product_id":"b0h8w32r3d","title":"Solar Greenhouse Vent Opener – Automatic Window Opener for Farm \u0026 Hobby Greenhouse, Aluminum Thermal Expansion Cylinder, 30°C Activation, 45cm Stroke, 7kg Load, No Battery Require","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSolar Greenhouse Vent Opener: Engineered with a thermal expansion cylinder, this solar greenhouse vent opener activates automatically at exactly 30°C (86°F) without electricity or batteries—relying solely on solar energy to drive reliable, repeatable mechanical movement for consistent ventilation control across seasons.\u003c\/li\u003e\n\u003cli\u003eSolar Greenhouse Vent Opener: Delivers a maximum linear stroke of 45 cm (18 inches) to fully open standard greenhouse and vents, ensuring optimal airflow exchange that prevents overheating, reduces humidity buildup, and maintains ideal microclimate conditions for seedlings, tomatoes, peppers, and other temperature-sensitive crops.\u003c\/li\u003e\n\u003cli\u003eSolar Greenhouse Vent Opener: Constructed from - aluminum and stainless steel components, it withstands prolonged outdoor exposure to rain, radiation, and temperature extremes; includes a robust clamp- bracket and eight mounting screws for secure, tool- installation on most aluminum, wood, or PVC greenhouse frames.\u003c\/li\u003e\n\u003cli\u003eSolar Greenhouse Vent Opener: Specifically calibrated for weighing up to 7 kg (15 lb), it provides stable, silent, and maintenance- year after year—eliminating manual intervention, human error in timing, and reducing labor costs for small farms, hobby greenhouses, and educational gardening setups.\u003c\/li\u003e\n\u003cli\u003eSolar Greenhouse Vent Opener: Supports plant development by enabling passive climate regulation— heat stress during midday peaks and promoting gradual cooling at dusk—which enhances photosynthesis efficiency, strengthens stem structure, and improves overall yield consistency for both commercial growers and home gardeners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Pongnas","offers":[{"title":"Default Title","offer_id":49929850618094,"sku":"B0H8W32R3D","price":60.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/7426\/9422\/files\/31WPseNxuPL._AC_SL1500_e0f377a5-c1b2-40f1-a485-f591a53a5d23.jpg?v=1793608380","url":"https:\/\/nutrielites.com\/products\/b0h8w32r3d","provider":"GrowJoy","version":"1.0","type":"link"}