*KeyFeatures *Quiet Operation: Our radon mitigation fan is designed for spaces containing radon. The fan features a soundproof frame and soundproof foam to ensure quiet operation. With noise levels as low as 51 dB, comparable to normal conversation, it can operate around the clock without disturbing your daily life. Even during nighttime use, it wont affect your rest. *Rapid Radon Exhaust: With a powerful airflow of 380 CFM and high speed, this radon fan effectively and swiftly exhausts indoor radon gas. Whether installed in a basement or attic, it provides a healthy environment for your home. *Waterproof & Dustproof: Featuring excellent waterproof and dustproof capabilities, this duct fan withstands harsh weather conditions even when installed outdoors. Whether placed in a basement, attic, or outdoor ventilation duct, you can use it with confidence. *Couplers Included: The included couplers allow for easy installation on PVC pipes without worrying about size compatibility. This makes your installation process quick and hassle-free, saving you time and effort. *Premium Housing: Constructed with high-quality ABS, the durable housing features a fully sealed design that effectively prevents radon leakage, ensuring the fan's security and reliability. ******************************************************************************************************* *Specifications Item Model Number: HEE-150P Rated Power: 140 W (US) / 61 W (EU) Maximum Airflow: 380 CFM Airflow per Speed Setting: 380 CFM Maximum Speed: 2600 RPM External Diameter of Inlet and Outlet: 4-4.5 inches / 98-114 mm Net Weight: 7.5 lbs / 3.4 kg (US), 8.6 lbs / 3.9 kg (EU) Product Dimensions: 14 x 13.19 x 9.25 inches / 355 x 335 x 235 mm ******************************************************************************************************* *Pakcage Content 1 x Radon Fan 2 x Coupler