Description
The Panasonic Ventilation FV-VS43R is a purpose-built duct adapter designed for use with the WhisperValue DC series of ventilation fans. It provides a reliable transition from a 4-inch oval duct connection to a 3-inch round duct, allowing installers to route exhaust efficiently through tight spaces or adapt to existing ductwork configurations without compromising airflow performance.
Key Features
- Transitions 4″ oval duct outlet to 3″ round duct
- Constructed from 24-gauge steel for rigid, durable performance
- Fire code rated for safe installation in residential and light commercial applications
- Designed specifically for compatibility with Panasonic WhisperValue DC ventilation fans
- Helps maintain proper exhaust airflow and system efficiency
- Supports clean, professional duct installations in space-constrained environments
Construction & Compliance
Built from heavy-duty 24-gauge steel, the FV-VS43R meets fire code requirements, making it suitable for installations where code compliance is essential. Its robust construction ensures a secure, airtight connection that holds up over time and resists deformation under normal operating conditions.
Application
Ideal for new construction and retrofit installations where WhisperValue DC fans are paired with 3-inch round exhaust ductwork. The oval-to-round transition simplifies duct routing in walls, ceilings, and tight utility spaces while maintaining the integrity of the ventilation system.







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