{"product_id":"ac-infinity-cloudline-pro-s4-4-inline-duct-fan-with-ec-motor-10-speed-controller","title":"AC Infinity CLOUDLINE PRO S4 – 4” Inline Duct Fan with EC Motor \u0026 10-Speed Controller","description":"\u003ch2\u003eEfficient, quiet ventilation for grow spaces and more\u003c\/h2\u003e\n\u003cp\u003eThe AC Infinity CLOUDLINE PRO S4 is a compact 4\" inline duct fan crafted to move air where you need it. With a PWM‑controlled EC motor and a mixed‑flow design, it delivers dependable airflow while keeping heat and noise to a minimum. This makes it suitable for a range of environments—from grow tents to equipment cabinets—without dominating the room’s atmosphere.\u003c\/p\u003e\n\u003cp\u003eDesigned for versatility, this unit helps ventilate grow tents for balanced temperatures, transfer heated or cooled air to adjoining spaces, circulate air to prevent stagnation, and manage odors in enclosed areas. It also supports cooling for AV racks and other high‑heat zones, helping equipment stay within comfortable operating ranges.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVentilate grow tents and controlled environments to promote fresh air and even temperatures.\u003c\/li\u003e\n  \u003cli\u003eMove heat or cooled air to nearby rooms, enabling flexible climate control.\u003c\/li\u003e\n  \u003cli\u003eCirculate air to prevent stagnant pockets and improve overall air quality.\u003c\/li\u003e\n  \u003cli\u003eAssist odor exhaust in compact spaces for discreet operation.\u003c\/li\u003e\n  \u003cli\u003eSupport cooling for racks and other sensitive equipment with steady airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance and design highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAirflow: 205 CFM with a 4\" duct size for standard inline ductwork.\u003c\/li\u003e\n  \u003cli\u003eQuiet operation at 28 dBA, making it suitable for living or working spaces.\u003c\/li\u003e\n  \u003cli\u003ePWM‑controlled EC motor provides energy efficiency with minimal heat output.\u003c\/li\u003e\n  \u003cli\u003eMixed‑flow design combines a stator blade with hydrodynamic wind circles for better performance in high‑resistance ducting.\u003c\/li\u003e\n  \u003cli\u003eDurable dual‑ball bearings and compact dimensions (6.9 in. x 11.9 in. x 7.4 in.).\u003c\/li\u003e\n  \u003cli\u003e10‑speed wired controller included; compatible with UIS controllers for programmable ventilation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePractical setups benefit from a 4\" duct footprint and the option to scale airflow with a wired controller. This enables a balanced approach to air exchange, whether you’re optimizing a grow tent, moving conditioned air between rooms, or cooling equipment cabinets. While performance varies with space and ducting, the CLOUDLINE PRO S4 is designed to fit common installations and offer flexible control without overwhelming the surrounding environment.\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 is the CloudLine Pro S4 best used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Great for ventilating grow tents, moving heat to adjacent rooms, circulating air, exhausting odors, and cooling AV racks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the S4 support UIS controllers and offer adjustable speed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It includes a wired 10-speed controller and is compatible with UIS controllers for programmable ventilation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AC Infinity","offers":[{"title":"Default Title","offer_id":45737913417914,"sku":"B07JB292JC","price":215.31,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/ac-infinity-cloudline-pro-s4-front-view.jpg?v=1774647641","url":"https:\/\/gardencanada.ca\/products\/ac-infinity-cloudline-pro-s4-4-inline-duct-fan-with-ec-motor-10-speed-controller","provider":"Garden Canada","version":"1.0","type":"link"}