Versatile Installation Option: Equipped with a 117mm round duct adapter, this fan fit standard pipe for use in grow tents, 3D printer enclosures, welding stations, and paint booths for extractions or cooling Solar Panel Ventilation Fan: This 12V solar exhaust fan provides efficient ventilation for greenhouses, pet houses, chicken coops, and outdoor sheds using clean solar energy during day light hours High 120mm Fan: Featuring a 120mm cooling fan with 3000RPM speed and 81CFM airflows, it delivers strong and stable ventilation to maintain optimal temperatures in enclosed space Day light Only Solar Function: Powered by 25W solar panel, this fan operates automatically in day light ( not at night), making it ideal for ventilation needs Durability & Quiet operate: Built with double ball bearings and noise levels of only 52dB, this fan ensures long lasting, smooth with minimal disturbance, Manufacturer: Oxxggkao