4 Inch Ducting
What’s available in 4 inchUse this page to shop our ducting and fittings by diameter: everything we sell in 4 inch is gathered here, including 90° curved boots, 45° pipe saddles, 90° pressed saddles and silencers.Alpha Air is a Leicester-based supplier of commercial and industrial ventilation equipment. Order stocked lines by 3pm and they ship for next-working-day delivery.Prefer millimetres? The same products are listed under 4 inch Ducting.
Showing 1–16 of 97 results
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Circular Silencer – 4 inch x 12 inch Long
£65.60 + VAT Add to basket -
Circular Silencer – 4 inch x 24 inch Long
£65.60 + VAT Add to basket -
Circular Silencer – 4 inch x 36 inch Long
£73.60 + VAT Add to basket -
Circular Silencer – 4 inch x 18 inch Long
£151.91 + VAT Add to basket -
Spiral Ducting 3m Length 4 inch
£13.80 + VAT Add to basket -
30 Degree Bend 4 inch
£5.70 + VAT Add to basket -
45 Degree Bend 4 inch
£3.65 + VAT Add to basket -
60 Degree Bend 4 inch
£7.00 + VAT Add to basket -
90 Degree Bend 4 inch
£4.68 + VAT Add to basket -
45 Degree T Piece 4 inch
£24.09 + VAT Add to basket -
90 Degree T Piece 4 inch
£8.37 + VAT Add to basket -
45 Degree Y Piece 4 inch
£20.88 + VAT Add to basket -
Male Connector 4 inch
£1.50 + VAT Add to basket -
Female Connector 4 inch
£1.50 + VAT Add to basket -
Top Hat Spigot 4 inch
£1.85 + VAT Add to basket -
Cap End 4 inch
£1.63 + VAT Add to basket