Rectangular duct cowls. Manufactured from 0.7mm zinc-coated mild steel with 16swg 13x13mm weld mesh. Available with Doby frames or a sheet metal flange (rectangular cowls are not generally compatible with a slip jointed connection method).
Please use the drop down menu below to select the width of the cowl required as denoted by the drawing to the right.
Depth can be selected on the following page
If you need more dimensional info prior to ordering please give us a call as there is a great deal of variance depending on the duct size.