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FixYourFilter.com is your source for authentic, OEM replacement parts for all Penn-Plax® Cascade™ aquarium filters. Here, you'll find a broad selection of replacement parts for canister, hang on and internal filters, as well as a selection of filter media specially designed for the Cascade™ filters. Our top priority is to provide you with the parts you need to get your filter back into tip top shape as quickly as possible. 

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