Self Cleaning Filter Media constantly moving around and rub against each other only letting the strongest nitrifying bacterla survive Simply Hook up to an Air Pump and getting all the benefits of oxygen in the water and a super charged bio filter. Oxygen Rich Water combined with strong nitrifying bacterla handle large amounts of ammonia and nitrite compare to other type of filter Easy to Remove Intake Sponge provides additional physical filteration Comes with Enough Media similiar to K1 micro will float at first and start tumbling in a few days Suit for tanks less than 20 gallons,One LH-300 filter could handle up to 20 gallons biological filtration by itself.

Self cleaning media no need for a replacement or cleaning.

Suit for both freshwater and saltwater tank.

Package including: LH-300 Filter Filter media(1/2 bottle) Air stone inside 2 sponge filters (One replacement) 4 strong suction cups

Pls Note:Air pump / Air tubing / Check Valve not included