AquaClear® Pre-Filter Sponge

Note: Boxes no longer available. Replacement sponge still available while supplies last.

These inexpensive overflow assemblies are designed to siphon water from an aquarium to a trickle filter. Each siphon box comes with an internal pre-filter, a clear siphon tube and an external downflow box. Outlet fits standard 1 1/4" I.D. wet-dry hose.

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