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<title><![CDATA[EC21 Product Catalogs - duct elbows]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/duct_elbows--2673/1/duct elbows.html]]></link><item>
<title><![CDATA[Sound Attenuating Elbow]]></title><link><![CDATA[https://gtijames7.en.ec21.com/Sound_Attenuating_Elbow--12059025_12059029.html]]></link><description><![CDATA[elbow interior material is attached only on the sides. Its thickness should be about 10% of the breadth of the duct with the length at least twice as as the duct. Sometimes, the turning vane is insta]]></description><pubDate><![CDATA[20250821]]></pubDate></item>

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