Perfect compatibility

• The duct reducer is compatible with Broan bathroom exhaust fans and designed for Panasonic WhisperValue series exhaust fans, ensuring a precise connection.

Versatile

• Easily converts 4-inch oval ducts to 3-inch round ducts. This 3-inch round duct allows for a sealed connection, making it ideal for retrofitting old ventilation systems or upgrading existing equipment.

Solving the Root Cause

• The change from oval to round air vents addresses the root causes of mismatches, incompatibilities, air leaks, and incomplete air extraction.

Superior Materials

• Made of robust materials, this duct is durable and can withstand long-term use while maintaining optimal airflow, preventing breakage from daily use

Easy Installation

• No special tools required; simply secure the joint with the included aluminum foil tape for a direct replacement of discontinued parts, saving time and effort.