Product Name: China Suppliers Aluminum Ceiling Round Air Diffuser Model NO.: AD ventilation mode: mechanical ventilation Material: Aluminum Alloy Character: Durable,Smooth, Quite, Comfortable Transport Package: Carton Origin: Zhejiang, China Product Description DescriptionUsed for ceiling or exposed duct mountingCome with plastic black butterfly damper,removable and adjustable coreThe frame & inner core are high quality extruded aluminum sheet constructionDischarge pattern can be adjusted for horizontal flow by extending the cones and for vertical flow by retracting the cones.Provides 360° air pattern.MaterialAluminum AlloyThickness0.8mm 1mm 1.2mmNeck Size80mm - 500mmUsageHVAC, ventilationColorWhite/Anodized/Other ColorsDelivery Time20days, according to actual quantityAdvantageCorrosion resistance and rigidityInner core can be easily removed and fixed,provideseasy installation, maintenance and access to the ductProvide big throws with a low noise level, releasing a long air jet even over 30 metres.Easy installation and well performance,can be washable.ApplicationUsed for cooling and are especially appropriate for large rooms requiring a nice look, for instance, malls, entertainment areas, airport halls, department stores,warehouse, and many others.Suitable for large size spaces such as theaters, concert halls, airports, museums and entertainment facilities.For HVAC applications.