Powkoo Aquarium Air Filter Double Sponge Filter Fish Tank Sponge Filter Bio Filter Up to 20 Gallon

Powkoo bio sponge filter, great filter for extra biological support for any tank

Key features:
Made of food-grade materials, absolutely safe for your fish
You can insert a bubble stone in the middle of the filter
Great way to clean and oxygenate your tanks
Ribbing sponges hold a lot of beneficial tiny creatures
Easy to use: comes with 2 suction cups, can be installed anywhere and can be easily hidden on the back wall of the aquarium
you can add small-size bio-media to the inside for extra cleaning power.
Air-water outlet is adjustable so you can change direction and height of the water flow
The arms holding the sponges are adjustable to position the sponges better away from the tank walls
All parts of the sponge filter are detachable so as to clean

How to set up
1. This product needs to be connected to the air pump, and equipped with a check valve on the airline tube to prevent water return to the air pump due to power outage.
PLEASE NOTE: air pump, airline hose and check valve not included.
2. Please choose suitable air flow.

Kind reminder:
Squeeze the sponge filter in tank water for 5 mins for 1st using, easy to form beneficial tiny creatures.
Use aquarium tank water while washing sponge, do not rinse the sponge with tap water or hot water
Recommended to replace the sponges every 6-8 months

What you get:
1 x Powkoo Double Sponge Filter for Aquarium
1 x Powkoo Retail Package Bag