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slide 1 of 3, Penn Plax Replacement Bio Sponge, for Cascade Power Filters, 1 ct
slide 2 of 3, Penn Plax Replacement Bio Sponge, for Cascade Power Filters, 1 ct
slide 3 of 3, Penn Plax Replacement Bio Sponge, for Cascade Power Filters, 1 ct
Penn-Plax

Penn Plax Replacement Bio Sponge, for Cascade Power Filters

Penn Plax Bio Sponge for Cascade Powerfilter 150 is a great way to maintain your tank. The Penn Plax Bio Sponge promotes the growth of healthy bacteria.