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These plastic Bio-Balls are a great media for use in all types of filters. Can be used as a loose media or put in mesh bags for easy removal and cleaning Will not compact like other soft media, reduces channeling of water around media 1 1/2″ in diameter, black in color Available in 1/3, 1 or 4.5 cubic foot boxes
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🇺🇸 Ship from USA · On Agora since 2025
$74.99