Dcfairfan 4x3 Inch Radon Mitigation System Kit, Quiet 260CFM Radon Mitigation Fan Inline Duct Fan IP67 Waterproof with soft joint and manometer, High Airflow Exhaust Fan for Indoor Outdoor

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• Radon Mitigation Installation Kit - 4 to 3 inch radon fans installation kit comes with 2pcs of rubber couplers(4 to 3 inch), 1pc of 4 inch radon fan, 1pc of manometer and 1pc of user manual, one kit to help you solve the radon hassles
• Quiet and Energy-saving - 4 inch radon fan adopts built in silent cavity construction which helps create a quieter air movement, providing a more peaceful experience for you. The 85W motor offers stronger power, with noise level kept under 50 decibels
• Strong Plastic Housing, Metal Impeller, Pure Copper Motor - Durable and tough ABS + PC housing with UV protection ingredient added to resist yellowing, fading, or changing color. The all-metal impeller and the pure copper made motor with power-off protection function ensures the service life up to 50,000 hours of the radon mitigation fan
• Indoor and Outdoor Installation - The tight inner and outer shell structure, along with waterproof sealant, enables this inline radon fan totally and truly IP67 waterproof and operate safely outdoors. Widely applied in household, hotels, offices, stores, factories to exhaust, circulate, renew and filter air
• High Air Volume and Strong Air Pressure - With 2600RPM of fan speed, this fan features a higher suction, can effectively and quickly reduce the radon level back to 0.2, specially designed for the home retrofits on radon level mitigation. Perfect replacement of the older version. 3-year warranty, 7-24H online service to assist you