Aquarium Filter for Aquarium Fish Tank Air Pump Skimmer Biochemical Sponge Filter Aquarium Bio Filter Filtro Aquario

Features: Biochemical sponge filter provides biological filtration to the aquarium, helps to stable water quality. Increase the oxygen solubility. Working noiselessly, Good Looking, and 360 degrees adjustable. Good permeability, easy to clean. Adhere smooth surface with suction cup. Perfect filters accessories for your tank and aquarium. Specificaitons: Product name: Aquarium Sponge Filter/ Replace Cotton Color: transparent+green Model Number: XY-2880, XY-2881, XY-2882, Ceramic Media Balls Size: XY-2880: 14.5cmx15.5cm (sponge 4.6cmx6cm) XY-2881: 7.5cmx19cm (sponge 4.6cmx8cm) XY-2882: 11cmx19cm (sponge 4.6cmx8cm) Replace cotton: 48x80cm (green color, hole 1.5cm) Reminder: 1. Soak the sponge in the aquarium water for 5 minutes before use, by doing this will help nitrifying bateria colonise easier. 2. Always use aquarium water under room temperature to rinse clean the sponge, never use hot water. 3. It must be used through connecting the air pump.