Marineland PA0373 Black Diamond Activated Carbon, 40-Ounce, 1134-Gram

O-Rings for Valves on Magnum 220 and 350 Canister Filters - 4 pk

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Replace your Magnum Quick Disconnect Valve's O-ring with this replacement part.

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Product Review

Replace your Magnum Quick Disconnect Valve's O-ring with this replacement part.

Contains 4 O-rings.

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Marineland PA0373 Black Diamond Activated Carbon, 40-Ounce, 1134-Gram