S&P BOC100 Metal Adjustable Round Grilles
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<b>[Product Information]</b><br>
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<li>Exhaust grilles for bathrooms, toilets and other small rooms. All models offer an adjustable central valve to regulate the airflow</li>
<li>Accessory to S&P Inline Exhaust Fans (PV, TD, SWF)</li>
<li>4"/100MM metal circular adjustable interior air valve</li>
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