DIRT 4

Rectangular connection duct with a circular duct connection and a rubber seal

Product Description

A rectangular connection duct with a circular duct connection and a rubber seal. The connection duct is telescopic by 300 mm in height.

DIR		l/s
Size	25 dB(A)	30 dB(A)	35 dB(A)
400	34	40	48
500	47	57	66
600	60	71	85
900	110	130	148

The sound data applies to the displacement unit together with the connection duct.

*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m² room absorption area.

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