1)Aluminum alloy materialMulti-layer conicals shape, .
2)Excellent apperance with molding vane and outside frame into integrity.
3)Inside core can be dismantled,easily install and reassembled.
4)Optional with round sector damper or butterfly damper
5)Natural anodized aluminum finish or powder coated. (any color is available)
Functions: step down diffuser rings deflect air stream 360 degrees.as the air outlet of central air-condition system terminal with the larger diffusion area.
Use: for upward airflow,suitable for ceiling , Suitable in shopping malls, offices, hotels, restaurants and other building as being requested
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