Xy-2830 2831 Air Pump Biochemical Sponge Filter Noiseless With Suction Cups Aquarium Fish Tank Accessories

--Bio-sponge filters provide bio-filtration to the aquarium and help stabilize water quality. Increases the solubility of oxygen in water.

--Work silently.

--Good breathability and easy to clean.

--Adhere to smooth surfaces with suction cups.

--The perfect filter accessory for your aquarium and aquarium.

--size: Overall size of single head filter: 90mmx145mm; Overall size of double head filter: 140mmx160mm