4.7 Inch Dual Head Gooseneck Grow Tent Fan, 5V/12V Dual Voltage IP54 Waterproof Plant Fan,10 Adjustable Speeds Quiet Ventilation Circulation Cooling Fan for Hydroponics Greenhouse Indoor Plant Growing

10 PRECISE ADJUSTABLE SPEEDSEquipped with a dedicated speed controller, this grow tent fan offers 10 exact speed levels for customized airflow. It delivers soft breezes for daily ventilation and strong airflow for efficient cooling, perfectly matching the needs of plants at different growth stages. ^^ 5V/12V DUAL VOLTAGE COMPATIBILITYDesigned with dual voltage support for 5V USB and 12V DC power (USB to DC adapter included). It runs at 2501700 RPM under 5V and 6003000 RPM under 12V, providing flexible performance for various ventilation and cooling demands. ^^ IP54 WATERPROOF & LONG-LASTING DURABILITYFeatures an IP54 waterproof and moisture-proof motor with a dust-proof switch, ensuring stable operation in humid, dusty grow environments.

Built with dual ball bearings, it supports up to 60, 000 hours of service life for reliable long-term use. ^^ 360 FLEXIBLE GOOSENECK & EASY SETUPThe flexible gooseneck allows full 360 airflow direction adjustment. This fan is compact, spacesaving, and simple to install, making it ideal for grow tents, greenhouses, cabinets, and other indoor planting setups. ^^ DAISY CHAIN DESIGN FOR BETTER VENTILATIONThe plugandplay speed controller supports daisy chain connection for sameseries fans: up to 8 fans via 5V USB and up to 4 fans via 12V DC at full speed. Multifan setup greatly improves overall airflow and cooling efficiency for your grow space.