on orders $49+
The Marineland Magnum Canister Filter O-Ring is the default cover seal for all Magnum canister filter models, including Magnum 200, 220, 330 & 350 canisters.
Dimesions: 5.75" outside diameter
Free shipping on orders $49+, even the BIG STUFF. Orders under $49 only pay $6.95 shipping.
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