Mainfreight delivery Mainfreight freight rates apply to urban commercial addresses. Residential or rural deliveries may incur additional charges. We’ll confirm any extra cost with you before dispatch. If you don’t accept it, you can choose collection or cancel for a full refund.
Automatic Mainfreight rates cover up to 20 long pieces per order. For 21 or more long pieces, contact us for a freight quote before ordering, or choose collection.
Round Spiro duct provides a strong, efficient air path for residential, commercial and light-industrial ventilation systems. The spiral-wound galvanised steel construction delivers good rigidity with relatively low weight, while the smooth circular profile supports efficient airflow and straightforward connection to standard fittings. Supplied in fixed lengths and a range of diameters, Spiro duct is suitable for both exposed and concealed supply or extract installations. |