
Rigid Flat Rectangular Joining Coupler Connector - Plastic Ducting
The Coupler Joiner is designed to make joining sections of solid flat rectangular duct quick and simple. Whether extending your ducting system or creating a custom layout, it provides a secure, reliable, and efficient connection.
Optimised Airflow
Featuring a smooth internal bore that reduces airflow resistance, the coupler helps maximise the efficiency of your ventilation system by allowing air to move freely and effectively through connected ducts.
Size Options
Available in a range of sizes to suit different duct dimensions, the coupler joiner offers flexibility and compatibility with your specific installation needs.
Durable Construction
Manufactured from UV-protected white PVC plastic, the Coupler Joiner is strong, weather-resistant, and built to provide long-lasting performance.
Part of a Complete System
Coupler joiners form part of a comprehensive selection of ventilation accessories, including bends, connectors, grilles, and joints—everything required to build a functional and efficient ducting system.