Aquarium Bio Sponge Filter 2 PCS for Fry Betta Shrimp Fish Tank Up to 55 Gallon Each., Quiet, Double Sponges

Aquarium Bio Sponge Filter 2 PCS for Fry Betta Shrimp Fish Tank Up to 55 Gallon Each., Quiet, Double Sponges

• Provides both mechanical and biological filtration for aquarium. The air infusion chamber produces numerous minute bubbles which promotes gas exchange process and increases dissolved oxygen level in tank water.
• It's easy to set up. Just connect the unit with an air pump thru an airline. It provides both aeration and filtration for your tank.
• The sponge traps waste particles mechanically and cleans the water without trapping baby fish. It keeps water clean and clear.
• Product dimensions: 6.5"L x 2.4"W x 9.5"H; sponge dimensions: 2.4"D x 4.5"H. They are useful for as breeding filter or as secondary filter. Or they can be used as pre-filtration unit by fitting to an external or a top filter.
• Max tank size: up to 55 gallon each filter. Package includes: 2 pcs of sponge filters in a poly bag. (Air pump and airline tubing are sold separately, not included).