{"product_id":"garvee-20-inch-shutter-exhaust-fan-pls-33dttrtl","title":"Garvee 20-Inch Shutter Exhaust Fan, High-Speed Smart EC Motor Ventilation Fan with Intelligent Control, 120V\/60Hz, Automatic Self-Closing Shutters for Shed, Garage, Greenhouse \u0026 Warehouse - Black","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta content=\"width=device-width, initial-scale=1.0\" name=\"viewport\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n    \/* 全端极速响应引擎与硬核工业智能通风调色盘 *\/\n    :root {\n        --fan-dark: #0f172a;       \/* 曜石深黑 *\/\n        --fan-slate: #1e293b;      \/* 工业深灰 *\/\n        --fan-accent: #0284c7;     \/* 智能科技蓝（主强调色） *\/\n        --fan-bg-light: #f8fafc;   \/* 现代清爽浅灰底 *\/\n        --text-main: #334155;\n        --spec-text-gray: #a0b0c0; \/* 您要求的深蓝灰色属性与数值文本色 *\/\n    }\n\n    .fan-pro-container {\n        max-width: 1100px;\n        margin: 0 auto;\n        font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;\n        color: var(--text-main);\n        line-height: 1.6;\n        background-color: #fff;\n    }\n\n    \/* 1. 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Specifications 深色科技质感参数面板 *\/\n    .fan-spec-panel {\n        margin: 50px 20px 20px;\n        padding: 45px 35px;\n        background: #0f172a;\n        border-radius: 16px;\n        border: 2px solid #1e293b;\n        box-shadow: 0 20px 40px rgba(0,0,0,0.3);\n    }\n    .fan-spec-panel h2 { color: var(--spec-text-gray); text-align: center; margin-bottom: 35px; text-transform: uppercase; letter-spacing: 1.5px; font-size: 24px; font-weight: 700; }\n    .fan-table { width: 100%; border-collapse: collapse; }\n    \n    \/* 统一属性名与数值参数皆为高饱醒目的深蓝灰色 (#a0b0c0) *\/\n    .fan-table td { \n        padding: 16px 12px; \n        border-bottom: 1px solid #1e293b; \n        font-size: 15px; \n        color: var(--spec-text-gray) !important; \n    }\n    .fan-table td:first-child { font-weight: 600; width: 40%; text-transform: uppercase; font-size: 13px; letter-spacing: 0.5px; }\n    .fan-table td:last-child { text-align: right; font-weight: 700; color: var(--spec-text-gray) !important; }\n    .fan-table tr:last-child td { border-bottom: none; }\n\n    \/* 5. Professional Guidelines 提示框 *\/\n    .fan-tips {\n        margin: 20px 20px 60px;\n        padding: 30px;\n        background: #f0fdf4;\n        border-left: 6px solid var(--fan-accent);\n        border-radius: 4px;\n    }\n    .fan-tips h4 { margin: 0 0 12px; color: var(--fan-dark); font-size: 18px; display: flex; align-items: center; font-weight: 700; }\n    .fan-tips h4::before { content: '⚙️'; margin-right: 12px; font-size: 18px; }\n\n    \/* 响应式移动端深度适配 *\/\n    @media (max-width: 768px) {\n        .fan-hero-label h1 { font-size: 22px; }\n        .fan-hero-label p { font-size: 14px; }\n        .fan-flex { padding: 30px 15px; gap: 25px; }\n        .fan-flex.reverse { flex-direction: column; } \/* 移动端统一恢复垂直单列布局 *\/\n        .fan-content h2 { font-size: 20px; }\n        .fan-spec-panel { padding: 30px 15px; margin: 40px 10px; }\n        .fan-table td { display: table-cell !important; font-size: 13px; padding: 12px 6px; }\n        .fan-table td:first-child { width: 100% !important; background: transparent; }\n        .fan-table td:last-child { text-align: left !important; padding-top: 4px; }\n    }\n\u003c\/style\u003e\n\n\u003cdiv class=\"fan-pro-container\"\u003e\n    \n    \u003c!-- 1. Hero Banner 视觉轰炸 (原图1 - 已修复：移除防拦截参数，加入跨域属性确保100%可预览) --\u003e\n    \u003cdiv class=\"fan-hero\"\u003e\n        \u003cimg alt=\"20-Inch Smart EC Motor Industrial Exhaust Fan Setup with Intelligent Control System\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/6698\/9369\/files\/177070582519229290.jpg\" crossorigin=\"anonymous\"\u003e\n        \u003cdiv class=\"fan-hero-label\"\u003e\n            \u003ch1\u003e20‑Inch Intelligent EC Industrial Exhaust Fan\u003c\/h1\u003e\n            \u003cp\u003eMaster your commercial facility air metrics with high-efficiency climate automation. Powered by a heavy-duty EC motor to secure a massive 4000 CFM storm-grade air volume displacement flawlessly.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 2. 核心卖点网格 (Feature Grid) --\u003e\n    \u003cdiv class=\"fan-grid\"\u003e\n        \u003cdiv class=\"fan-card\"\u003e\n            \u003cdiv class=\"icon-title\"\u003e\n\u003cspan\u003e📊\u003c\/span\u003e\u003ch3\u003eIntelligent Control System\u003c\/h3\u003e\n\u003c\/div\u003e\n            \u003cp\u003eFeatures an interactive smart control panel that allows for multi-speed adjustments, climate monitoring, and timer automations.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"fan-card\"\u003e\n            \u003cdiv class=\"icon-title\"\u003e\n\u003cspan\u003e🌪️\u003c\/span\u003e\u003ch3\u003ePowerful 4000 CFM Flow\u003c\/h3\u003e\n\u003c\/div\u003e\n            \u003cp\u003eDriven by an advanced EC motor to deliver a heavy-duty 4000 CFM airflow at a rated speed of 1450 R\/min for complete air turnover.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"fan-card\"\u003e\n            \u003cdiv class=\"icon-title\"\u003e\n\u003cspan\u003e🛡️\u003c\/span\u003e\u003ch3\u003eAutomatic Shutters\u003c\/h3\u003e\n\u003c\/div\u003e\n            \u003cp\u003eDesigned with self-acting physical shutters that open automatically when powered on and close tightly when off to block rain and pests.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 后续图片开始：严格执行【左右、右左、左右、右左...】完全交错排版 --\u003e\n\n    \u003c!-- 交错块 1【左图右文】 (原图2 - 展现智能中央控制器面板，温度、湿度和定时设置画面) --\u003e\n    \u003cdiv class=\"fan-flex\"\u003e\n        \u003cdiv class=\"fan-media\"\u003e\n            \u003cimg alt=\"Intelligent Control Panel Tracking Climate Data and Timer Adjustments\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/6698\/9369\/files\/177070582563526560.jpg\" crossorigin=\"anonymous\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"fan-content\"\u003e\n            \u003ch2\u003eAutomated Climate Tracking Matrix\u003c\/h2\u003e\n            \u003cp\u003eTake absolute, real-time command over your facility environment. The integrated wall-mountable smart control station features dual built-in sensors for precise, continuous temperature and humidity level monitoring. Effortlessly cycle through multi-speed motor calibrations or lock in custom timer schedules to automate ventilation during heavy-load operational hours.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 交错块 2【右图左文】 (原图3 - 展现核心EC变频电机大图与1450转速节能解说) --\u003e\n    \u003cdiv class=\"fan-flex reverse\"\u003e\n        \u003cdiv class=\"fan-media\"\u003e\n            \u003cimg alt=\"High Efficiency Brushless EC Motor Core Delivering 4000 CFM\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/6698\/9369\/files\/177070582583795948.jpg\" crossorigin=\"anonymous\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"fan-content\"\u003e\n            \u003ch2\u003eHigh‑Efficiency Variable EC Motor\u003c\/h2\u003e\n            \u003cp\u003eUnlock exceptional commercial ventilation capacity while optimizing power grid consumption. Powered by an elite, next-generation brushless EC motor, this 20-inch industrial exhaust fan generates a relentless, stable vertical airflow of 4000 CFM. Rated at a swift 1450 R\/min speed, it flushes out stagnant heat waves, damp moisture, and fumes with maximum efficiency.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 交错块 3【左图右文】 (原图4 - 展现百叶窗自动开合阻挡风雨、鸟类及害虫入侵示意图) --\u003e\n    \u003cdiv class=\"fan-flex\"\u003e\n        \u003cdiv class=\"fan-media\"\u003e\n            \u003cimg alt=\"Self Acting Weather Louver Shutter Blocking Rain Storm Debris and Pests\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/6698\/9369\/files\/cimage_ce0699dc45c8c937.jpg\" crossorigin=\"anonymous\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"fan-content\"\u003e\n            \u003ch2\u003eAutomatic Gravity Weather Shutter\u003c\/h2\u003e\n            \u003cp\u003eDefend your interior building assets against external weather elements effortlessly. The precision-balanced lightweight shutters are engineered with a responsive air-link linkage mechanism that forces them wide open instantly upon fan activation. The moment electricity cuts off, gravity pulls them completely flat to establish a tight seal that blocks rain, debris, and pests.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 交错块 4【右图左文】 (原图5 - 展现加厚碳钢外壳框架与全防腐抗UV磨砂涂层微距) --\u003e\n    \u003cdiv class=\"fan-flex reverse\"\u003e\n        \u003cdiv class=\"fan-media\"\u003e\n            \u003cimg alt=\"Robust Carbon Steel Frame Construction with Weather Resistant Powder Layer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/6698\/9369\/files\/177070582548892367.jpg\" crossorigin=\"anonymous\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"fan-content\"\u003e\n            \u003ch2\u003eRobust Carbon Steel Armor Frame\u003c\/h2\u003e\n            \u003cp\u003eBuilt to endure relentless operational demands across both indoor and outdoor environments. The structural frame shell is stamped entirely from thickened carbon steel to deliver immense rigidity and fully eliminate body vibrations under full speed. Enveloped in a premium, scratch-resistant black powder coating that shrugs off rust, moisture rot, and UV corrosion.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 交错块 5【左图右文】 (原图6 - 展现20英寸排风扇框架长宽及厚度尺寸 blueprint 参数图) --\u003e\n    \u003cdiv class=\"fan-flex\"\u003e\n        \u003cdiv class=\"fan-media\"\u003e\n            \u003cimg alt=\"20-Inch Industrial Exhaust Fan Precision Footprint Dimension Blueprint\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/6698\/9369\/files\/177070582525732438.jpg\" crossorigin=\"anonymous\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"fan-content\"\u003e\n            \u003ch2\u003ePrecision 20-Inch Architectural Profile\u003c\/h2\u003e\n            \u003cp\u003eSimplify wall mount placement with a clean, low-profile architectural structure. The industrial-standard 20-inch configuration allows for hassle-free installation between structural framing studs without requiring extensive masonry adjustments. Provides an absolute flush seating layout that fits clean into wood, concrete, or brick walls.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 交错块 6【右图左文】 (原图7 - 展现工厂、温室、车库、仓库等大面积换气全景应用图) --\u003e\n    \u003cdiv class=\"fan-flex reverse\"\u003e\n        \u003cdiv class=\"fan-media\"\u003e\n            \u003cimg alt=\"Multi Scene Versatility Application for Greenhouses Garages Sheds and Factories\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/6698\/9369\/files\/177070582570481115.jpg\" crossorigin=\"anonymous\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"fan-content\"\u003e\n            \u003ch2\u003eMulti-Scene Heavy Circulation Flagship\u003c\/h2\u003e\n            \u003cp\u003eThe definitive structural solution for high-volume air circulation across a massive variety of challenging setups. Installs beautifully into commercial distribution warehouses, active manufacturing factories, high-humidity agricultural greenhouses, auto repair garages, backyard workspaces, workshops, and barns.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 4. 技术规格深色科技面板（字体颜色与标题全面锁定为深蓝灰色） --\u003e\n    \u003cdiv class=\"fan-spec-panel\"\u003e\n        \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n        \u003ctable class=\"specs-table fan-table\"\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eProduct Classification\u003c\/td\u003e\n                    \u003ctd\u003eProfessional Smart EC Motor Industrial Wall Exhaust Fan\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eChassis Dimension Profile\u003c\/td\u003e\n                    \u003ctd\u003e20-Inch Commercial Standard Low-Profile Outline\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMaximum Volumetric Flow\u003c\/td\u003e\n                    \u003ctd\u003e4000 CFM Storm-Grade Heavy Airflow Displacement\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eRated Rotational Velocity\u003c\/td\u003e\n                    \u003ctd\u003e1450 R\/min High-Speed Thrust Configuration\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMotor Core Mechanism\u003c\/td\u003e\n                    \u003ctd\u003eHigh-Efficiency Brushless Variable-Speed Energy-Saving EC Motor\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eAutomation Controller\u003c\/td\u003e\n                    \u003ctd\u003eSmart Wall Panel Control (Multi-Speed, Climate Sensors, Timers)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eWeather Protection System\u003c\/td\u003e\n                    \u003ctd\u003eSelf-Acting Gravity Air-Link Linked Louver Shutters\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eChassis Frame Material\u003c\/td\u003e\n                    \u003ctd\u003eHeavy-Gauge Reinforced Structural Carbon Steel Core\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSurface Armor Layer\u003c\/td\u003e\n                    \u003ctd\u003eCorrosion-Resistant Anti-Scratch Black Powder Coating Finish\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eApplication Scope\u003c\/td\u003e\n                    \u003ctd\u003eWarehouses, Factories, Greenhouses, Garages, Sheds, Barns\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 5. 专业排风扇安装与智能保养指南 --\u003e\n    \u003cdiv class=\"fan-tips\"\u003e\n        \u003ch4\u003ePro Ventilation Operations \u0026amp; Automated Maintenance Guidelines\u003c\/h4\u003e\n        \u003cp style=\"color: #475569; font-size: 14px; margin: 0;\"\u003e\n            \u003cstrong\u003eOptimal Mounting Orientation:\u003c\/strong\u003e For maximum 4000 CFM air displacement efficiency, secure the 20-inch carbon steel chassis into your header wall perfectly level. Ensure the automatic louver shutters pivot outward away from the room, allowing gravity to seal them completely flat when electricity cuts out.\u003cbr\u003e\n            \u003cstrong\u003eSensor Probe Management:\u003c\/strong\u003e Position the smart controller's dedicated climate tracking probe at mid-height inside your greenhouse or factory, away from direct thermal exhaust drafts or water irrigation streams, ensuring precise, uncorrupted ambient humidity and temperature trigger reads.\u003cbr\u003e\n            \u003cstrong\u003eEnd-of-Season Maintenance:\u003c\/strong\u003e The brushless EC motor core is completely sealed for long-term maintenance-free life. Periodically check the shutter links to remove external dust or leaf accumulation that could block opening fluidity, keeping your weather protection line working like new year after year.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Garvee","offers":[{"title":"20-Inch","offer_id":53736078049593,"sku":"PLS_33DTTRTL","price":789.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/6698\/9369\/files\/shopify_2Fai_images_2Ftmps7vbjw4k_6bb93dd8-dd71-461a-a0fb-b3563c8471d7.jpg?v=1783406451","url":"https:\/\/www.garvee.com\/products\/garvee-20-inch-shutter-exhaust-fan-pls-33dttrtl","provider":"GARVEE","version":"1.0","type":"link"}