Description: Premium MaterialThe aquarium sponge filter is made of premium sponge material, which is small, lightweight, and can be cleaned in sequential, and the transfer tank does not affect the water quality. Widely UsedThis aquarium sponge filter is small and easy to hide behind the plant. it fits in any corner and is ideal for shrimp tanks, breeding tanks, turtle tanks, aquariums, goldfish, young fish or other fish. Fine Sponge FiltrationIt provides mechanical and bio filtration and traps debris or waste without sucking up your fish, keeping a crystal fresh water tank. Easy To CleanThe filter can be easily detached for cleaning the dirt. Rinse it every 2 -4 weeks with aquarium water ONLY. Avoid washing it in tap water. Quiet AerationAir powered and causing no disturbance to your daily life. Do squeeze the sponge in the water to remove all trapped air and make the filter sink to the bottom. Specification: Material: sponge Color: black Feature: easy install, easy to clean Size(approx.): 2890:(length x height x thickness)8 x 12 x 5.5cm/3.15 x 4.72 x 2.17inch 2891(length x height x thickness)8 x 16 x 5.5cm/3.15 x 6.30 x 2.17inch Package Included: 1 PC x Aquarium Sponge Filter Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.