{"product_id":"vivosun-4-inline-fan-g4-195-cfm-with-growhub-e42a-smart-controller-quiet-app-controlled-ventilation","title":"VIVOSUN 4\" Inline Fan G4 195 CFM with GrowHub E42A+ Smart Controller — Quiet, App-Controlled Ventilation","description":"\u003cp\u003e\u003cstrong\u003eThe VIVOSUN G4 4\" inline fan pairs a high-efficiency 195 CFM mixed-flow EC motor with the GrowHub E42A+ smart controller to deliver quiet, automated ventilation and climate monitoring for indoor gardens.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need dependable air movement, precise environment tracking, and app-based automation in a compact package, this VIVOSUN bundle combines a powerful 4\" inline fan with a smart controller and probe. It was designed for indoor growers who want consistent airflow, energy savings, and the ability to create stage-specific schedules while monitoring temperature and humidity from anywhere.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the G4 fan improve airflow while staying quiet?\u003c\/h3\u003e\n\u003cp\u003eThe G4 uses a mixed-flow impeller driven by an EC motor with PWM control, which produces strong long-distance airflow while operating at lower noise levels. Expect airflow up to 195 CFM with acoustic performance down to about 39 dB under normal conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEC motor for higher efficiency and smoother speed control\u003c\/li\u003e\n  \u003cli\u003eMixed-flow design for sustained static pressure and duct performance\u003c\/li\u003e\n  \u003cli\u003eNoise reduction measures to minimize vibration and sound\u003c\/li\u003e\n  \u003cli\u003eCompact 4\" diameter suits small tents, ducts, and tight spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat smart features does the GrowHub E42A+ controller offer?\u003c\/h3\u003e\n\u003cp\u003eThe GrowHub E42A+ centralizes management of compatible devices, enabling automated schedules, remote adjustments, and environmental triggers. Use the app to run grow recipes, change fan speeds, and create custom responses based on temperature or humidity readings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWi‑Fi app control for remote monitoring and adjustments\u003c\/li\u003e\n  \u003cli\u003ePreset stage-specific schedules for seedlings, veg, and bloom\u003c\/li\u003e\n  \u003cli\u003eAuto-triggers to start or modulate devices by thresholds\u003c\/li\u003e\n  \u003cli\u003eExpandable ecosystem to add lights, pumps, sensors, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the included probe help maintain a stable grow environment?\u003c\/h3\u003e\n\u003cp\u003eThe bundled temperature and humidity probe streams real-time data to the controller and app, letting you view inside vs. outside tent conditions and calculate VPD for better crop management. Accurate environmental feedback enables the controller to adjust devices automatically for consistent conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCombined temp and humidity sensing for holistic readings\u003c\/li\u003e\n  \u003cli\u003eReal-time data visible in the mobile app and dashboard\u003c\/li\u003e\n  \u003cli\u003eSupports VPD calculations to assist crop staging decisions\u003c\/li\u003e\n  \u003cli\u003eEnables event-based automation like fan speed changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and adaptable is this fan and controller setup?\u003c\/h3\u003e\n\u003cp\u003eThe G4 fan features a corrosion-resistant metal housing and a mountable base for wall installation, saving floor space and improving layout flexibility. Its rugged build and wide compatibility make it suitable for grow tents, greenhouses, hydroponics, attics, and small HVAC ducts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSturdy metal construction resists corrosion and wear\u003c\/li\u003e\n  \u003cli\u003eMountable base for secure wall or frame installation\u003c\/li\u003e\n  \u003cli\u003eCompatible with common ducting and ventilation accessories\u003c\/li\u003e\n  \u003cli\u003eDesigned for both hobby and small commercial setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The VIVOSUN G4 4\" 195 CFM inline fan and GrowHub E42A+ smart controller are aimed at indoor growers who want a compact, quiet ventilation solution with modern automation. It's ideal for hobbyists scaling up from passive ventilation, growers seeking energy-efficient equipment, and anyone who prefers app-based monitoring and presets for stress-free, consistent environmental control.\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: Can I control the fan from my phone?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the GrowHub E42A+ connects via Wi‑Fi so you can monitor and adjust the fan speed, schedules, and triggers from the app.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this fan suitable for small grow tents?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the compact 4\" diameter with 195 CFM airflow is tailored for small tents, ducted setups, and tight ventilation spaces.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":56843774558548,"sku":"B0C6QK97P2","price":160.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/vivosun-fan-front-view.jpg?v=1787082342","url":"https:\/\/gardenluxe.co.uk\/products\/vivosun-4-inline-fan-g4-195-cfm-with-growhub-e42a-smart-controller-quiet-app-controlled-ventilation","provider":"Gardenluxe Uk","version":"1.0","type":"link"}