Suitable for use with flat channel ducting. Quick and easy fit. A-150mm, B-75mm,Ø-4.8mm, H-25mm. 150mm x 75mm. A-120mm, B-60mm,Ø-4.8mm, H-25mm. 120mm x 60mm. A-110mm, B-55mm,Ø-4mm, H-25mm. 110mm x 55mm.
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