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Amazon.com : Penn-Plax Cascade All-in-One Aquarium Canister Filter – for Tanks Up to 200 Gallons (350 GPH) – Cascade 1500 : Aquarium Filters : Pet Supplies
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Penn-Plax Cascade 700 Aquarium Canister Filter – 185 Gallons per Hour, for tanks up to 65 Gal - Walmart.com
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