4 to 3 inch Radon Mitigation System Kit - 2 Speed Radon Fan 240CFM | 168CFM with Rubber Couplings and Air Pressure Indicator, Quiet and Energy Efficient, Fits 3” Piping

This is an open box item - guaranteed to be brand new with all parts present.

Retail price on Amazon was last reported as $179.00.

Ships in the original manufacturer's packaging.

Gator Overstock Stock #: 11990824

Warehouse Location: 09-07 D

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One Kit Eliminate Radon - This kit includes everything you need: the 4" fan itself, two 4 to 3” rubber couplings, an air pressure indicator, a mounting bracket, and sealing tape. Installation is straightforward and simple, only needs a screwdriver, PVC glue, and a drill you can finish the install

2-Speed Radon Fan - This new upgrade radon mitigation fan offers two speed settings, high speed is 240CFM at 44db, low speed is 168CFM at 32db. You can started with the higher speed for initial radon reduction, then switched to low speed for better noise experience and saving energy

Strong Performance, Quickly Mitigate Radon - The fan will create a strong and steady vacuum through the system, moving air efficiently without struggling, this makes a noticeable difference in stabilizing radon levels. Most homes experience restored healthy air quality within 48 hours of installation

Quietly Operation – This fan has a soft, steady hum that disappears in the background, which is important for indoor setups or homes where the system is close to living areas. Even at full speed, the fan runs around 44 dB, roughly the noise level of a library whisper. Low speed is barely audible indoors

Robust & Durable – Excellent quality with a solid and well-built housing, everything fits together tightly, and the wiring connection is secure and well-protected, sturdy construction with overbuilt design last up to 10 years. IP67 waterproof rating allows indoor or outdoor installation, vertically or horizontally

Brand: Rysmirs

Color: White

Electric fan design: Exhaust Fan

Power Source: ac

Style: Modern

Product Dimensions: 12.2"D x 11.4"W x 13.3"H

Room Type: Basement

Special Feature: Waterproof

Recommended Uses For Product: Exhausting

Noise Level: 44 Decibels

Wattage: 95 watts

Air Flow Capacity: 240 Cubic Feet Per Minute

Speed: 2600 RPM

Voltage: 110 Volts

Included Components: Cord

Indoor/Outdoor Usage: Indoor, Outdoor

Model Name: radon fan

Size: 4 to 3 inch

Item Weight: 9.28 pounds

ASIN: B0GHNGF6W6

Item model number: RF-100W1

Best Sellers Rank: #183,037 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #568 in Household Ventilation Fans

Date First Available: January 19, 2026

Mounting Type: Wall Mount