【Material】: The Vent Duct Cover is made of aluminum alloy which is waterproof and easy to maintain with a sturdy structure
【Versatile Compatibility】: Designed to fit various duct diameters, this vent cover is compatible 100mm, 120mm, and 150mm ducts. It accommodates opening diameters ranging from 155-190mm, ensuring a fit for your ventilation needs
【Efficient Air Flow Design】: The round vent cover is optimized for central air conditioning systems and fresh air systems, providing seamless warm or cool air distribution while maintaining an aesthetically pleasing appearance
【Wide Application】: The Aluminum Return Leach Grille is suitable for various places such as residential homes, commercial warehouses, office buildings, subways, basements, factory warehouses and more
【Easy to Install】: This aluminum alloy vent cover is easy to install , No other professional skills are needed.