🔧 Connect with Confidence! Includes 4 connectors for all your ducting needs. Crafted from high-quality ABS for long-lasting use. Perfect for HVAC, dryers, and exhaust systems. Simple design allows for quick setup. Full refund or replacement if not satisfied. Ventilation ready 4" connection Easy install The Wadoy 4-inch Duct Connector Flange is a set of four high-quality ABS connectors designed for seamless integration in HVAC systems, dryers, and exhaust applications. With a focus on durability and ease of installation, these connectors ensure efficient ventilation and are backed by a satisfaction guarantee.