{"product_id":"ac-infinity-raxial-s4-inline-booster-duct-fan-4-inch-with-speed-controller-low-noise-hvac-blower","title":"AC Infinity RAXIAL S4 Inline Booster Duct Fan 4-inch with Speed Controller - Low Noise HVAC Blower","description":"\u003ch2\u003eEnhance Your Ventilation with Precision\u003c\/h2\u003e\u003cp\u003eThe AC Infinity RAXIAL S4 inline booster duct fan is engineered to move air efficiently through 4 inch ducts, helping existing HVAC systems circulate air more effectively in areas like basements, attics, kitchens, and workshops. Its compact footprint fits into tight spaces while keeping noise to a minimum, so you can maintain comfort without distraction.\u003c\/p\u003e\u003cp\u003eDesigned for versatility, this unit offers a variable speed controller that lets you dial in the balance between airflow and quiet operation. The durable unibody die cast housing minimizes vibration for smoother airflow, while a shaded pulse induction motor paired with balanced blades and permanently lubricated dual ball bearings supports dependable performance over time. By combining these elements, the S4 delivers steady, predictable airflow without sacrificing energy efficiency.\u003c\/p\u003e\u003ch3\u003eWhat it delivers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e106 CFM airflow under typical conditions for improved ventilation\u003c\/li\u003e\n\u003cli\u003e28 dBA noise level for near silent background operation\u003c\/li\u003e\n\u003cli\u003e4 inch duct connection compatible with standard HVAC components\u003c\/li\u003e\n\u003cli\u003eVariable speed controller to customize airflow and noise\u003c\/li\u003e\n\u003cli\u003eUnibody die cast housing reduces vibration for smoother flow\u003c\/li\u003e\n\u003cli\u003eShaded-pole induction motor with balanced blades and dual ball bearings\u003c\/li\u003e\n\u003cli\u003eCompact footprint suitable for tight spaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere to use\u003c\/h3\u003e\u003cp\u003eIdeal for boosting airflow in basements, bathrooms, kitchens, attics, and workshops where controlled ventilation can help manage humidity and air quality without introducing intrusive noise.\u003c\/p\u003e\u003ch3\u003eTechnical notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDimensions: 7.28 x 3.95 x 3.95 in\u003c\/li\u003e\n\u003cli\u003eDuct size: 4 in\u003c\/li\u003e\n\u003cli\u003eAirflow: 106 CFM\u003c\/li\u003e\n\u003cli\u003eNoise: 28 dBA\u003c\/li\u003e\n\u003cli\u003eBearings: Dual ball\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are upgrading an existing system or venting a new space, the RAXIAL S4 provides a practical balance of performance and quiet operation. It is designed to be a reliable companion for everyday ventilation needs, offering flexibility without overpromising results.\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 practical benefits does the RAXIAL S4 offer for home ventilation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It helps boost existing airflow in HVAC systems, with adjustable speed to balance performance in spaces like basements, attics, and workshops.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the unit suitable for tight spaces with limited clearance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It has compact dimensions and a 4-inch duct connection, with dual ball bearings for long-lasting quiet operation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AC Infinity","offers":[{"title":"Default Title","offer_id":53084734029935,"sku":"B07ZL6FDYG","price":49.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/ac-infinity-raxial-s4-inline-booster-duct-fan-4-inch.jpg?v=1778611070","url":"https:\/\/taskholt.com\/products\/ac-infinity-raxial-s4-inline-booster-duct-fan-4-inch-with-speed-controller-low-noise-hvac-blower","provider":"TaskHolt","version":"1.0","type":"link"}