Feature:Using environmental high density sponge filter and high-performance activated carbon as filter material， can absorb dirt， quickly resolve fish feces and eliminate smell in water. combined air pump using， can improve water oxygen level， achieve oxygenation and biofiltration double effect， keep water cleanFix design of suckerHigh-density sponge filterHigh-performance activated carbonDimension: 8cmX7.7cmX7.7cmEasy and convenient to useColor:Clear，Green，Hot PinkPackage Content:1X Aquarium Fish Tank Super Pneumatic Biochemical Activated Carbon Filter (NO Retail Box. Packed Safely in Bubble Bag)Package Weight: 0.200kg (0.44lb.)Package Size: 15cm x 10cm x 5cm (5.91in x 3.94in x 1.97in)