Internal 3-in-1 Aquarium Filter for 20L-40L Aquariums, Freshwater and Saltwater, Dual Filtration System, Oxygenation, Flexible Installation

This internal filter optimizes water quality for aquariums from 20 to 40 liters. Its 3-in-1 system ensures efficient circulation and superior oxygenation thanks to its fountain function. The dual filtration with activated carbon and foam eliminates toxins and particles. Designed for flexible horizontal or vertical installation, it adapts to tight spaces. Protective grids prevent small fish from being accidentally sucked in. Capacity: 20 to 40 liters Filtration type: Dual (activated carbon and foam) Functions: Pump, filtration, oxygenation Configuration: 3-in-1 Orientation: Horizontal or vertical Immersion: Total

3-in-1 system combining pump, filtration, and oxygenation to maintain a healthy and balanced aquatic ecosystem in your tank. Dual filtration using activated carbon and foam to effectively remove visible and invisible impurities from the water. Practical design allows for quick assembly and disassembly without complex tools to facilitate regular filter maintenance.

Integrated protective grids prevent small fish and shrimp from being accidentally sucked in, ensuring their complete safety. Flexible horizontal or vertical installation with total immersion, ideal for uniquely shaped or shallow aquariums.