1.5m Length Galvanised Steel Spiral Duct Made of 24 Gauge Light Galvanised Steel Spiral Duct Sizes from 80mm to 300mm Diameter Diameter 80 - 160mm has a wall thickness of 0.5mm Diameter 180 - 300mm has a wall thickness of 0.6mm How to connect ducting together. If you have any further suggestions on videos, please get in touch! Also available in a 3m Length Female ended - Measured internally Need a fixing bundle? Click Here How we make our spiral: Read our blog - Flexible vs Rigid Ducting This product is non returnable - please see our Terms & Conditions Larger sizes are available, please call us for a quote. Have questions or can't find something? Call 03456 800 696 and we'll be happy to help.
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