Louver grill rain-proof, aluminium and optional painted color any size

Model Number: HK-FB-3 Brand Name: scabor Key Specifications/Special Features: Spec: aluminumDesc.: Rain-proof LouverThey are mainly used for studios, hospitals, theaters, classrooms, concert halls, libraries, recreation hall, theater lounge, general offices, shops, hotels, restaurants and gymnasium, and so onIn order to avoid the noise interference in a variety of environment,except determine the wind speed by the neck according to performance table, it should consider the installing height and surroundingsSquare air diffuser is often used with the opposed blade damper, it can be divided into common removable diffuser and new removable diffuser according to different structure