Wholesale Factory Price HVAC Ventilation System Ducting SD Spiral Duct Connector Stainless Steel Spiral Duct

SD-Spiral DuctSpiral Duct fittingThe aluminum foil air duct is especially ideal for high pressure and low pressure ventilation system, like range hood. It can befixed directly on the fittings. In case of fire or high temperature, there is no toxic gasThe aluminum foil air duct is especiallyideal for high pressure and low pressure ventilation system, like range hood. It can befixed directly on the fittings. In case of fire or high temperature, there is no toxic gas Product name Galvanized Steel Spiral Duct Place of Origin Zhejiang, China Material Galvanized iron sheet, stainless steel Diameter: 80-1600mm Thickness 0.5-1.2mm length As customer request Max heat resistance -20-150ºC Packaging Details No packing /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1