Submersible Aquarium Sponge Filter Ultra Silent Aeration and Biofiltration with Built in Filter Box Mini 3 in 1 Silent Fish Tank Filter Oxygen Pump for Breeding Fry Betta and Shrimp 5-20 Gallon

Best Sponge Filters For Aquariums！

It combines filtration, aeration, and water circulation for optimal water quality,effectively improve your aquarium environment. The ultra-quiet air-powered design ensures efficient filtration without disturbing your fish.

Employing a dual mechanical and biological filtration process:Oxygen is injected through an air pump to push water through biochemical sponges and ceramic media; Clean water and oxygen are released through the water outlet, contributing to a healthier aquatic habitat.Fostering a thriving environment for highly active aerobic nitrifying bacteria;Enhancing your tank's aesthetics with vibrant air bubbles

Maintaining this filter is a breeze. The filter sponge can be easily cleaned or replaced; The bio ceramic balls are washable and reusable, and you can also customize your filter media. Remember, don't use tap water to clean – just rinse or squeeze the sponges using aquarium water.

Installing the filter is straightforward – Insert the L-connector and connect it to an air pump. Wet the sponge, let it sink, and turn on the air pump. Note that the filter requires a 4mm/0.16" inner diameter air hose and a suitable air pump (air pump and hose not included in the packge).

You have the option to install foot pads, creating a hidden and resting spot for your bottom-swimming fish.

Perfect for breeding fry tanks, shrimp and betta fish tanks, as well as freshwater and marine setups.With our aquarium Filter, you will gain a bright and vivid fish tank. Your aquatic partners will have a clean and hygienic home, and you can clearly see their dynamics.Make your fish happy & aquarium water crystal clear

Cautions：

1.Please put the sponge into the fish tank for about 5 minutes before applying.

2.Can not use tap water and hot water to rinse the sponge, only fish