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Some canister and sump setups need a compact, easy-to-place biological filter chamber rather than loose media scattered through a media bag. Dymax PRO-Cube is an acrylic cube filled with biological filter media, designed to house beneficial bacteria in a self-contained, easy-to-position unit. Best for: Freshwater or saltwater filter systems needing a compact biological filtration boost. Size: 1.5L | SKU: DM-PCB470
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🇺🇸 Ship from USA · On Agora since 2026
$31.49