{"product_id":"vivosun-g4-4-inch-inline-duct-fan-temperature-humidity-controller-e42a-wifi-app-control-195-cfm","title":"VIVOSUN G4 4-inch Inline Duct Fan \u0026 Temperature Humidity Controller | E42A+ WiFi App Control, 195 CFM","description":"\u003ch2\u003eSmart climate control for grow rooms\u003c\/h2\u003e\n\u003cp\u003eThe VIVOSUN G4 4-inch inline duct fan pairs with the E42A+ temperature humidity controller to simplify how you manage a complex grow environment. Designed for growers who value steady conditions, this combo blends compact form with robust performance, ready to support seedlings through flowering.\u003c\/p\u003e\n\u003ch3\u003eSmart, energy-efficient ventilation\u003c\/h3\u003e\n\u003cp\u003eThe fan uses a premium EC motor with PWM control, delivering up to 195 CFM while trimming energy use by about 30% compared with traditional AC fans. Its mixed-flow design moves air effectively and keeps noise low—levels can be as quiet as 28 dB in typical operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnified control: manage compatible devices from GrowHub E42A+ in a single dashboard.\u003c\/li\u003e\n\u003cli\u003eReal-time monitoring: track temperature and humidity with the included probe and see VPD insights in-app.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFully automated growing, minus the guesswork\u003c\/h3\u003e\n\u003cp\u003eWith the E42A+ controller, you can create stage-specific schedules for seedling, vegetative, and flowering phases. Preset light intensity, spectrum, schedules, fan speed, and airflow let you run a hands-free cycle while keeping the option to adjust anytime.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemote management: access your setup from anywhere via Wi-Fi.\u003c\/li\u003e\n\u003cli\u003eSmart triggers: devices react automatically to temperature or humidity thresholds you specify.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDurable, versatile and ready for more than tents\u003c\/h3\u003e\n\u003cp\u003eCrafted with a corrosion-resistant metal base and rugged housing, the G4 system is built for long life and safe operation in a variety of environments. Beyond grow tents, it suits greenhouses, hydroponic setups, attic cooling, and ducted HVAC tasks.\u003c\/p\u003e\n\u003cp\u003eIn the GrowHub ecosystem, you gain a scalable foundation to grow with confidence. The combination of hardware and software aims to deliver reliability and convenience, making advanced cultivation accessible to both beginners and experienced growers.\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 can I control with the VIVOSUN G4 and E42A+ system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Remotely adjust fan speed, temperature, humidity, and automation schedules via the GrowHub E42A+ app.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the system suitable for different grow environments?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—works in grow tents, greenhouses, hydroponics, and general ventilation with smart triggers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":43996549480582,"sku":"B0C6QK97P2","price":139.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/vivosun-g4-inline-duct-fan.jpg?v=1779163897","url":"https:\/\/patiozora.com\/products\/vivosun-g4-4-inch-inline-duct-fan-temperature-humidity-controller-e42a-wifi-app-control-195-cfm","provider":"PatioZora","version":"1.0","type":"link"}