Powkoo Aquarium Corner Filters Sponge Filter Bio Filter Sponge with Filter Media

Kind reminder: Squeeze the sponge filter in tank water for 5 mins for 1st using, easy to digest form colonies of bacteria Use aquarium tank water while washing sponge, do not rinse the sponge with tap water or hot water Key Features: The triangle shape design save the space also nice on out-looking Easy to set up, easy to disassemble for cleaning and media replacement Air-water outlet is adjustable so you can change direction and height of the water flow The nitrifying bacteria can play a role in purifying water and break down harmful waste,such as nitrite Supply the water with much needed oxygen Perfect for shrimp tank, betta tank, breeder tanks, goldfish, discus, guppies, fry, baby fish or other fish How to set up 1. This product needs to be connected to an air pump, and equipped with a check valve on the airline tube to prevent water return to the air pump due to power failure. PLEASE NOTE: air pump, airline tube and check valve not included. 2. Please choose suitable air flow. What you get: 1 x Powkoo Corner Sponge Filter 1 x Powkoo Retail Package Box