Instant Ocean-Aquarium Systems AIO0048012 Duetto Suction Cups 3pk Instant ocean Duetto Suct Instant ocean Cups 3pk Instant ocean Duetto Suction Cups 3pk Genuine replacement suction cups for the Aquarium Systems Duetto DJ50 and DJ100 Submersible power filter Genuine replacement suction cups for the Aquarium Systems Duetto DJ50 and DJ100 Submersible power filter