*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 47 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 260 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. *Unrestricted Installation: The exhaust fan comes with a mounting bracket and couplers, allowing for horizontal or vertical installation with PVC pipes. The flexible design of the adapter eliminates concerns about size compatibility, making installation easy and saving you time and effort. *Real-Time Pressure Measurement: Equipped with a U-shaped pressure gauge, this fan provides real-time pressure measurements. The clear blue liquid indicator allows users to easily monitor pressure changes at any time. ******************************************************************************************************* *Specifications Item Model Number: HEE-100P Rated Power: 75 W (US) / 51 W (EU) Maximum Airflow: 260 CFM Airflow per Speed Setting: 260 CFM Maximum Speed: 2700 RPM External Diameter of Inlet and Outlet: 4-4.5 inches / 98-114 mm Net Weight: 7.9 lbs / 3.6 kg (US), 9.26 lbs / 4.2 kg (EU) Product Dimensions: 12 x 12.6 x 9.25 inches / 305 x 320 x 235 mm ******************************************************************************************************* *Pakcage Content 1 x Radon Fan 1 x U-Shaped Pressure Gauge 1 x Hose 1 x Mounting Bracket 4 x Screw 4 x Plastic Expansion Screw 2 x Coupler