{"product_id":"vivosun-d4-4-inch-inline-duct-fan-195-cfm-for-grow-tents-basements-and-hydroponics-exhaust","title":"VIVOSUN D4 4-Inch Inline Duct Fan — 195 CFM for Grow Tents, Basements, and Hydroponics Exhaust","description":"\u003ch2\u003eVIVOSUN D4 4-Inch Inline Duct Fan: Efficient Airflow for Small Spaces\u003c\/h2\u003e\n\u003cp\u003eMeet a compact powerhouse designed to move air where you need it most. The VIVOSUN D4 delivers up to 195 CFM at around 2,500 RPM, creating a steady breeze that helps exchange stale air for fresh surroundings in grow tents, basements, kitchens, and utility rooms. Its 4-inch form factor fits tight ducting without sacrificing performance, offering a practical solution for controlled ventilation in enclosed spaces.\u003c\/p\u003e\n\u003cp\u003eQuiet operation is a hallmark thanks to a flow deflector that concentrates the stream and reduces turbulent energy, keeping sound around a gentle 30 dB. This enables you to run the fan during routine tasks or late into the day without disruption, while still maintaining effective airflow in the room.\u003c\/p\u003e\n\u003ch3\u003eSmart safety and durable design\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eETL-listed motor with automatic reset to help prevent overheating and support dependable use.\u003c\/li\u003e\n  \u003cli\u003eFlame-retardant junction box adds an extra layer of fireproofing for peace of mind in busy spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSimple setup and easy maintenance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIntake and exhaust flanges install quickly with locking tabs, and a 5.9‑foot cord covers typical wiring layouts.\u003c\/li\u003e\n  \u003cli\u003eThe housing, impeller, and blades are designed for straightforward detachment for cleaning and inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere it shines\u003c\/h3\u003e\n\u003cp\u003eUse cases span grow rooms to shed-like basements and kitchens, where steady airflow can help manage humidity, temperature, and odor dispersion. This model is suitable for direct ducting or as a booster in multi-fan systems, offering flexibility without being too large for tight spaces.\u003c\/p\u003e\n\u003cp\u003eReal-world performance depends on your setup, duct length, and surrounding air. The D4 is a practical option to consider among your ventilation plans, providing meaningful airflow with a compact footprint. For those monitoring heat buildup or humidity swings, it can be part of a broader strategy to maintain a balanced environment without excessive noise or bulky equipment.\u003c\/p\u003e\n\u003cp\u003eBeyond raw power, the D4 lets you customize airflow as needed—whether you’re running lights for extended periods, exhausting odors, or circulating fresh air after a productive work session. It’s designed to blend into everyday spaces while delivering reliable ventilation when you need it most.\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 spaces is the VIVOSUN D4 suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Grow tents, basements, kitchens, and other spaces needing reliable airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What safety and setup features does the D4 include?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ETL-listed motor with automatic reset, flame-retardant junction box, 5.9 ft cord, easy flange hookup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":45768081998010,"sku":"B01M7S46YZ","price":85.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/vivosun-d4-4-inch-inline-duct-fan-front-view.jpg?v=1775811549","url":"https:\/\/gardencanada.ca\/products\/vivosun-d4-4-inch-inline-duct-fan-195-cfm-for-grow-tents-basements-and-hydroponics-exhaust","provider":"Garden Canada","version":"1.0","type":"link"}