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Bespoke Rectangular Offset

Bespoke Rectangular Offset

Alpha Air Ventilation Supplies

£85.66

Made-to-measure Rectangular offset. Configure the exact size you need with a live preview; manufactured to order in galvanised steel. Lead time 3–5 working days. Bespoke, made-to-order rectangular ductwork manufactured to your exact dimensions. Use the configurator above to set your size and connection type — the price updates live and the drawing shows what you will receive. Galvanised steel. No lining. Connection: Raw Edge or Mez Flange. Lead time 3–5 working days.

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Buy from ALPHA AIR VENTILATION SUPPLIES LIMITEDALPHA AIR VENTILATION SUPPLIES LIMITED is a UK retailer, not the maker. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.