Vent Systems Ø150 mm / 6" Inch White Rectangular to Round Duct Adapter Ventilation Transition Connector PVC Air Fitting for HVAC Exhaust, Kitchen, Bathroom, Home

EXACT SIZE & DUCT COMPATIBILITY – Rectangular-to-round adapter designed to connect 220 × 90 mm (8.66" × 3.54") flat rectangular ducts to Ø150 mm (5.9") round ventilation pipes. Ensures a precise, airtight transition between duct types. DURABLE & TEMPERATURE-RESISTANT MATERIAL – Made from high-quality ABS plastic, resistant to moisture and temperature changes from −15 °C to +60 °C. Suitable for long-term indoor ventilation use. SMOOTH AIRFLOW TRANSITION – Optimised internal shape provides a gradual rectangular-to-round transition, reducing turbulence, noise, and pressure loss while maintaining efficient airflow. EASY PUSH-FIT INSTALLATION – Straight push-fit connections on both sides allow quick, tool-free installation. Designed for a snug fit into standard rectangular and round ducts without adhesives or sealants. WIDE HVAC APPLICATION – Ideal for ventilation, extraction, heating, and air-conditioning systems. Suitable for bathrooms, kitchens, utility rooms, and residential or light commercial installations.