aluminum ball weather louver supply air louver China supplier

Description:

he ballshaped weather louver made of premium stainless steel is ideally for fresh air ventilation.It is not only rust resistant,but also is rain proof and can prevent insects form going inside rooms.That's all due to the insect wire mesh added.The ball weather louver get the same function of all other weather louvers desing.It has two models as BWL-VA and BWL--VB.Available colors are RAL9010 and RAL 9016.

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