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<title><![CDATA[EC21 Product Catalogs - inner duct]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/inner_duct--100303/1/inner duct.html]]></link><item>
<title><![CDATA[Corrosion-Resistant Lightweight Fire Fighting PVC Pipe for Fire Sprinkler Systems]]></title><link><![CDATA[https://keyusce.en.ec21.com/Corrosion_Resistant_Lightweight_Fire_Fighting--12059650_12063880.html]]></link><description><![CDATA[inner wall of the tube is smooth;
Materials: Tube wall -soft PVC , Spiral wire: Rigid PVC ;
Temperature range: about -5°C-- +80°C, special temperature requirements can be customized;
Applications f]]></description><pubDate><![CDATA[20260316]]></pubDate></item>
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<title><![CDATA[Foil Faced Phenolic Duct Insulation Board]]></title><link><![CDATA[https://clearheatinsulation.en.ec21.com/Foil_Faced_Phenolic_Duct_Insulation--12011446_12011451.html]]></link><description><![CDATA[inner and outer layers. There are also single-sided color steel phenolic duct panels, double-sided color steel phenolic duct panels, and special flanges and other accessories that can be made into ph]]></description><pubDate><![CDATA[20240929]]></pubDate></item>

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