Galvanized steel connection pieces for ducts with double lip seal. Connectionpieces until Ø200 with airtightness class D to EN 12237, connection pieces bigger than Ø200 with airtightness class C to EN 12237. The airthightness class is also determined by the mounting on the construction site.
Explanation :
MGM = Type of connection piece
250 = Diameter of connection piece
Dimensions
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