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Spiral Ducting Ventilation 400mm Diameter - 375mm Length

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Est. Delivery: 7-10 Working Days
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Product Description

Circular duct. Fittings and ducts from Lindab Ventilations standard programme are manufactured from zink coated sheet metal. This means that the base material shall be hot dipped zink galvanized steel sheet metal with a yield point of approx. 200 N/mm², and that the galvanization shall be minimum as class Z 275. This surface treatment corresponds to the corrosivity category C3.

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Questions & Answers


hi,is the 400mm diameter inside diameter or outside diameter, thanks, ps does this crush easily;;


400mm is the outside diameter. As for the second part, this shouldn't happen when used for its intended purpose. I would recommend emailing us sales@drainagesuperstore.co.uk and we can look into it a little further. 

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Spiral Ducting Ventilation 400mm Diameter - 375mm Length

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