12½”
What’s available in 12½”
Use this page to shop our Nordfab QF ducting and fittings by diameter: everything we sell in 12½” (≈ 12½ inch) is gathered here, including branches and cut-ins, dampers, reducers and accessories.
Alpha Air is a Leicester-based supplier of commercial and industrial ventilation equipment. Lead times are shown on each product page.
Prefer millimetres? The same products are listed under the 12½ inch Nordfab size.
Showing 1–16 of 203 results
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Nordfab QF Cut In – 12½ inch × 12½ inch – 30° – Galvanised
£106.68 + VAT Add to basket -
Nordfab QF Cut In – 12½ inch × 14 inch – 30° – Galvanised
£106.68 + VAT Add to basket -
Nordfab QF Cut In – 12½ inch × 16 inch – 30° – Galvanised
£119.31 + VAT Add to basket -
Nordfab QF Cut In – 12½ inch × 18 inch – 30° – Galvanised
£119.31 + VAT Add to basket -
Nordfab QF Cut In – 12½ inch × 20 inch – 30° – Galvanised
£119.31 + VAT Add to basket -
Nordfab QF Cut In – 12½ inch × 22 inch – 30° – Galvanised
£106.68 + VAT Add to basket -
Nordfab QF Cut In – 12½ inch × 25 inch – 30° – Galvanised
£119.31 + VAT Add to basket -
Nordfab QF Cut In – 12½ inch × 28 inch – 30° – Galvanised
£119.31 + VAT Add to basket -
Nordfab QF Standard Branch – 12½ inch × 4 inch × 4 inch – 30° – Galvanised
£86.53 + VAT Add to basket -
Nordfab QF Standard Branch – 12½ inch × 4 inch × 5 inch – 30° – Galvanised
£86.89 + VAT Add to basket -
Nordfab QF Standard Branch – 12½ inch × 4 inch × 6 inch – 30° – Galvanised
£87.12 + VAT Add to basket -
Nordfab QF Standard Branch – 12½ inch × 4 inch × 6 inch – 30° – Galvanised
£78.02 + VAT Add to basket -
Nordfab QF Standard Branch – 12½ inch × 4 inch × 6 inch – 30° – Galvanised
£87.40 + VAT Add to basket -
Nordfab QF Standard Branch – 12½ inch × 4 inch × 7 inch – 30° – Galvanised
£87.78 + VAT Add to basket -
Nordfab QF Standard Branch – 12½ inch × 4 inch × 8 inch – 30° – Galvanised
£88.07 + VAT Add to basket -
Nordfab QF Standard Branch – 12½ inch × 4 inch × 9 inch – 30° – Galvanised
£88.43 + VAT Add to basket