Circular cones diffuser (2 rings) adjustable by rotation, KOOLAIR, model 40-4-SF, size _ mm (neck ́s connection diameter). Finished in anodised aluminium or any RAL colour upon request.
It can incorporate volume control damper (-49ML / -49MO) and mounting accessories upon request. Recomended instalation height between 2,5 and 5 m
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