2 Pack Aquarium Bio Sponge Filter: Diameter 2.5In Mini Air-Powered Fish Tank Fil

• 🐟 [HITOP 2 Pack 2.5in Mini Sponge Filter for 1-15Gal] This Aquarium sponge filter should be used together with an air pump and cannot be used alone. (The air pump isn\'t included and should be bought separately.) And it adopts round sponge to increase the surface of filtration that is good to filtering efficiency. The dense sponge can effectively absorb impurities, bacteria, feces and debris in the aquarium, keeping the fish tank crystal clear.
• 🐟 [Easy to use] Come with 2 pack Diameter 2.5in round sponge filter and 3.2ft air tube, very mini in size, can be well hidden behind the decorations. Put the sponge in the tank and press it several times to fully absorb tank water to make it sink to the bottom. With a weighted base, the filter will not float on the water surface.
• 🐟 [Filtration and oxygenation] When the air pump provides air to the fish tank, the air passes through the filter, causing a difference in air pressure, and the water flows from the side with high pressure to the side with low pressure to achieve the filtering and oxygenation effect. Air pump is not included.
• 🐟 [Ultra-Quiet & Energy-saving] Powered by air, this aquarium filter works silently and have no impact with your lovely fish and human life, safer for young fish. Air pump and this sponge filter share the same power source, more power saving.
• 🐟 [Application] With simple but unique design, this internal submersible filter can be used in both salt water and freshwater. Suitable for tank up to 15gallon. Excellent for small size fish like betta, dwarf cichlid, guppy, killifish etc., shrimp, breeding.

Product description HITOP Mini Bio Sponge Filter, Air-powered Energy-saving Filter

• Mini in size, this sponge filter can be placed behind the aquarium decoration, will not affect the aquarium landscape.
• Air-powered, this mini filter is more energy-saving.
• Come with 2 pack, can be used in 2 different aquarium at the same time. Recommend to use with a 1-4W air pump.

Simple structure, easy to use

• Press the sponge several times and let it full of water before using.
• After pressing, the sponge filter will automatically sink to the bottom of fish tank.

Simple structure, easy to use Package Including

• Come with everything you need, including 2 sponge, outlet pipe*2 and 3.2ft air tube*2.
• It is recommended to clean the sponge regularly with water from the aquarium.

Air-powered Aquarium Sponge Filter

• HITOP Bio Sponge Filter adopts round sponge design to greatly filter the impurities in tank and weighted base to ensure the filter can sink to the bottom of fish tank easily.
• Connecting with an air pump, this filter makes no noise other than the sound of air bubbles.

Wide Application

This filter can be used in freshwater and saltwater, breeding, fry tank and shrimp tank.