Top-Aqua Slim Hang-On Filter, 230L/H, 2.5W, for 25-36cm / 9.8-14.2in Aquariums, Transparent Multi-Stage HOB Filter

230L/H HANG-ON FILTER - Designed for 25-36cm / 9.8-14.2in aquariums with compact external filtration performance TRIPLE FILTRATION FUNCTION - Supports mechanical, chemical, and biological filtration for clearer, cleaner aquarium water ADJUSTABLE WATER FLOW - Regulating valve helps you adjust output to better suit smaller tank setups WATERFALL OXYGENATION EFFECT - Return flow helps improve circulation and support oxygen exchange in the aquarium SILENT 2.5W MOTOR - Low-noise rotor motor helps create a quieter tank environment TRANSPARENT FILTER CHAMBER - Clear housing makes it easier to observe operation and check when maintenance is needed SLIM SPACE-SAVING DESIGN - Compact hang-on format helps keep more usable space inside smaller tanks