Type 50-FR-4 4 way blow Diffuser
Product Ref: Type 50-FR-4
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4 Way square diffuser. Normalised neck according to ISO standard for duct mounting. The free opening should be 75 mm. more than the nominal dimension LxH. E.g. a 300x300 size diffuser would need a free opening in the false ceiling of 375x375 mm
Sizes (Nominal Dimensions)
150 x 150
225 x 225
300 x 300
375 x 375
450 x 450
525 x 525
600 x 600