4 Inch Stainless Steel HVAC Air Vent Diffuser - Metal Adjustable Exhaust & Supply Air Valve with Mounting Ring - Ceiling & Wall Round Ventilation Cover for Bathroom Kitchen Garage

This metal air vent diffuser is designed for use in HVAC ventilation systems where controlled exhaust or supply airflow is required. It functions as an exhaust or supply air valve, allowing manual regulation of airflow to support proper air circulation in residential and commercial environments. The diffuser is manufactured from painted metal and features a smooth, easy-to-clean surface suitable for regular maintenance. Its construction is intended for use in ventilation applications such as bathrooms, kitchens, utility rooms, and technical spaces where exhaust air control is needed. The central adjustable disc allows airflow to be regulated manually, supporting balanced ventilation. The diffuser connects to standard ventilation ducting systems and is fixed to the wall or ceiling using screws with a mounting ring. This ventilation cover is suitable for ceiling or wall installation and is designed to integrate into common HVAC exhaust systems, providing a practical solution for managing exhaust or supply airflow in indoor ventilation setups.

• EXHAUST & SUPPLY AIR VENT DIFFUSER – Stainless Steel (Inox) universal air valve designed for HVAC ventilation systems. Suitable for controlled air supply and exhaust in residential and commercial installations.
• STANDARD 4 INCH CONNECTION – Round Air Vent fits ventilation ducts with a 4 inch diameter. Metal Wall Diffuser is compatible with common HVAC ducting used in bathrooms, kitchens, and utility rooms. External Diameter: 5.5 inch
• ADJUSTABLE AIRFLOW CONTROL – Central disc allows manual adjustment of airflow volume, supporting balanced air exhaust or supply and proper ventilation performance.
• COMPATIBLE WITH STANDARD DUCTING – Round Air Diffuser is designed for use with common ventilation ducting systems. Fixes securely to the wall or ceiling with screws using the supplied mounting ring.
• EASY MAINTENANCE DESIGN – Smooth metal surface allows simple cleaning and maintenance. Adjustable Air Valve is intended for long-term use in ventilation systems.