Suitable for fresh and saltwater aquariums, this mini filter for smaller tanks, offers mechanical and biological filtration. Mechanical filtration traps large particles and debris and biological allows for beneficial nitrobacteria growth to convert harmful ammonia from waste into nitrites, then almost harmless nitrates. Featuring four safety locks to prevent water leakage, this filter includes sponge material and a renewable charcoal block. The portable filter chamber makes it easy to keep clean, and to change the filter medium. | | * Mini filter | * Mechanical, biological filtration | * Four safety locks | * Sponge material, charcoal block | * Portable filter chamber | * Output: 410 Litres per hour | Capacity: 70 litre tank