{"product_id":"vivosun-d4-4-inch-inline-duct-ventilation-fan-195-cfm-quiet-30-db-safe-hvac-blower-for-grow-tents","title":"VIVOSUN D4 4-Inch Inline Duct Ventilation Fan – 195 CFM, Quiet 30 dB, Safe HVAC Blower for Grow Tents","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the VIVOSUN D4 4-Inch Inline Duct Ventilation Fan, a compact yet capable blower designed to move air efficiently in tighter spaces. With a top speed around 2500 RPM, it delivers up to 195 CFM through standard ducting, making it suitable for grow tents, attics, basements, and kitchens that benefit from steady air exchange. This unit is built to support practical needs like reducing heat buildup, managing humidity, and promoting fresh air flow in real-world setups.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance with Quiet Operation\u003c\/h3\u003e\n\u003cp\u003eThanks to a smart flow deflector, the air stream is concentrated to minimize turbulence and noise. In practice, the D4 can run at a low sound level, helping keep your workspace or living area comfortable while the fan works in the background.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh airflow: 195 CFM for reliable air exchange\u003c\/li\u003e\n  \u003cli\u003eQuieter operation: flow deflector helps reduce noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety and Reliability\u003c\/h3\u003e\n\u003cp\u003eThe motor is ETL listed and includes an automatic reset to prevent overheating, while the junction box uses flame-retardant components for fire safety. These design choices aim to offer dependable performance in everyday environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eETL-listed motor with automatic reset\u003c\/li\u003e\n  \u003cli\u003eFlame-retardant junction box for added safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEasy Hookup and Maintenance\u003c\/h3\u003e\n\u003cp\u003eSetup is straightforward: flanges on both intake and exhaust ends lock securely to duct hoses using simple tabs, and a 5.9-foot cord keeps wiring within reach. The housing, impeller, and blades are designed to be detached for cleaning and routine upkeep, helping maintain efficiency over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLocking end flanges for quick assembly\u003c\/li\u003e\n  \u003cli\u003e5.9-foot power cord for flexible placement\u003c\/li\u003e\n  \u003cli\u003eDetachable housing and blades for easy cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cp\u003eWhether you’re ventilating a grow room, improving airflow in a basement, or supporting kitchen venting, the D4 offers a flexible solution for enhancing air movement and temperature control in a variety of spaces.\u003c\/p\u003e\n\n\u003cp\u003eOverall, the VIVOSUN D4 combines robust airflow with thoughtful design to support practical ventilation goals. It presents a feasible option for users seeking scalable airflow without heavy installation, offering possibilities rather than guarantees for improved air circulation in your space.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size is the VIVOSUN D4 fan and where can I use it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It's a 4-inch inline duct fan delivering up to 195 CFM, suitable for grow tents, basements, kitchens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What safety features does the VIVOSUN D4 include?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ETL-listed motor with automatic reset and flame-retardant junction box for added safety.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":48212882358516,"sku":"B01M7S46YZ","price":38.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/vivosun-d4-inline-fan-grow-tent-housing.jpg?v=1778448678","url":"https:\/\/www.cerapatiogarden.com\/products\/vivosun-d4-4-inch-inline-duct-ventilation-fan-195-cfm-quiet-30-db-safe-hvac-blower-for-grow-tents","provider":"Cera Garden","version":"1.0","type":"link"}