D & W Sales Eng. 3940DB 4 Inch Round Heat Vent Register Without Damper Beige

The D & W Sales Eng. 3940DB is a 4-inch round ceiling or wall heat vent register designed for residential and RV HVAC applications. This beige-colored vent features a Rotaire design that allows for directional airflow control without the need for a built-in damper mechanism.

Key Features:

• 4-inch diameter round opening for standard ductwork compatibility
• Beige finish blends with most RV and mobile home interiors
• Rotaire louver design allows adjustment of airflow direction
• No damper mechanism for simplified installation and maintenance
• Durable plastic construction suitable for heating and cooling systems
• Designed for flush-mount ceiling or wall installation

This vent register is ideal for replacement or new installation in RVs, mobile homes, and other applications requiring compact, adjustable air distribution. The screw hole design ensures secure mounting to standard 4-inch duct openings.