EHEIM Classic 150 2211 External Filter with Bio Media for Aquarium Fish Tank Ultra Quiet Silent Nano Aquarium Filter

Permo-elastic silicon sealing ring fixed on the pump head for easy and safe closing after cleaning Equipped with filter sponges and/or loose filter

EHEIM Classic Canister Filter 2211, Classic 150 - PetOverstock

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EHEIM Classic 2211 External Canister Filter with Media for up to 40 US Gallons OPEN BOX

EHEIM Classic Canister Filter 2211, Classic 150 - PetOverstock

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EHEIM Classic 2211 Aquarium Canister Filter

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Would a Canister filter be overkill for a 20 long? - General