CU4L - Rectangular fire damper 240' with a tunnel casing extension

CU4 - Rectangular fire damper 240'
CU4L - Rectangular fire damper 240' with a tunnel casing extension
Damper with a tunnel casing extension at one or both sides so that the damper blade does not exceed the tunnel. This version allows to connect a grill or a bend directly on the damper flange or to use a circular connection
/en/documents/web_010/?cu4l-product-information-sheet-68359.pdf
/en/documents/web_050/?cu4l-certificate(s)-68361.pdf
/en/documents/web_060/?cu4l-declaration-of-performance-68360.pdf
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