4 Inch Smart Inline Duct Fan 205 CFM EC Copper Motor, App & PWM Controller 0-10 Speed 4 Auto Modes, Temp Humidity Monitor Quiet Vent Fan for Grow Tent Hydroponics

<p>🌱 <strong>Product Specifications</strong></p> <ul><li>📐 Duct Size: 4 Inch</li><li>💨 Airflow: 205 CFM / 349 m³/h</li><li>🔊 Min Noise: 27.1 dB (Low Speed)</li><li>⚙ Motor: Energy Efficient EC Pure Copper Motor</li><li>🎛 Control: PWM Manual Controller + Smartphone APP Control, 0-10 Speed &amp; 4 Auto Modes</li><li>📊 Sensor: Built-in Temperature &amp; Humidity Monitoring Sensor</li><li>🏡 Application: Grow Tent, Indoor Garden, Hydroponics, Indoor Ventilation Exhaust</li><li>⚠ Note: Fan Only; Duct, Connector &amp; Hanging Straps Sold Separately</li></ul> <p>✨ <strong>Core Selling Highlights</strong></p> <p>This 4-inch smart inline duct fan features an energy-saving EC copper motor with 205 CFM airflow and ultra-quiet running. Equipped with APP and PWM dual control plus temp-humidity sensor, it supports adjustable speeds and auto modes to stabilize grow tent air circulation and remove unpleasant odors. Great ventilation equipment for hydroponic and indoor planting setups.</p>

• Ideal Grow Tent Ventilation Solution：Perfect inline exhaust fan for indoor planting and grow tents;Boost air circulation, eliminate stale air odors and create balanced airflow environment to promote healthy plant growth.
• Smart Dual Control System：Comes with PWM speed regulator plus mobile APP remote control;Built-in temperature & humidity sensor, supports 4 automatic operation modes and 0–10 adjustable fan speeds for precise environmental management.
• Low-Noise Long-Time Operation：Delivers 205 CFM (349 m³/h) airflow, low-speed noise as low as 27.1 dB;Efficient ventilation without harsh humming, safe for all-day and overnight running in grow spaces.
• Energy-Saving EC Pure Copper Motor：Adopts durable EC full copper motor with high efficiency;Effectively cut excess heat generation during continuous work to prevent burnout; corrosion-resistant for long-term heavy-duty use.
• Package Content Reminder：Package only contains the inline duct fan;Air ducts, connecting fittings and hanging suspension straps are not included and need separate purchase as required.