(Sealed box)Product details:An efficient magnetic filter, the Adey MagnaClean Professional 22mm filter is suitable for installation in any existing or new domestic central heating system. It removes almost all suspended black iron oxide and some non-magnetic debris for greater system efficiency. Product featuresEffective magnetic and non-magnetic filtrationSimple installationEasy servicingImmediate results and system protectionHelps cut heating energy bills by up to 6% per yearReduced carbon emission
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