18″
18″ Nordfab QuickFit Duct
We list 1,003 products in 18″ (≈ 18 inch), including branches and cut-ins, reducers, accessories and dampers. Every QF part in this size clamps directly onto same-size QF duct, so runs go together quickly.
UK delivery is free on orders over £400 ex VAT, and lead times are shown on each product page.
Prefer millimetres? The same products are listed under the 18 inch Nordfab size.
Showing 1–16 of 323 results
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Nordfab QF Cut In – 18 inch × 18 inch – 30° – Galvanised
£175.22 + VAT Add to basket -
Nordfab QF Cut In – 18 inch × 20 inch – 30° – Galvanised
£175.22 + VAT Add to basket -
Nordfab QF Cut In – 18 inch × 22 inch – 30° – Galvanised
£175.22 + VAT Add to basket -
Nordfab QF Cut In – 18 inch × 25 inch – 30° – Galvanised
£156.66 + VAT Add to basket -
Nordfab QF Cut In – 18 inch × 28 inch – 30° – Galvanised
£175.22 + VAT Add to basket -
Nordfab QF Damper Energy S Aut 230 VAC – 18 inch – Galvanised
£1,782.54 + VAT Add to basket -
Nordfab QF Duct L – 18 inch – Galvanised
£337.91 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 4 inch – 30° – Galvanised
£87.22 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 5 inch – 30° – Galvanised
£87.65 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 6 inch – 30° – Galvanised
£87.93 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 6 inch – 30° – Galvanised
£88.10 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 6 inch – 30° – Galvanised
£88.26 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 7 inch – 30° – Galvanised
£88.65 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 8 inch – 30° – Galvanised
£89.02 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 9 inch – 30° – Galvanised
£89.46 + VAT Add to basket -
Nordfab QF Standard Branch – 18 inch × 4 inch × 10 inch – 30° – Galvanised
£89.90 + VAT Add to basket