POPETPOP Aquarium Accessories Air Stone Bubble Small Round for Aquarium Fish Tank Hydroponics Air Pump Airstones Diffuser Oxygen Stone (12 Pcs) Air Diffuser Air Diffuser - VADWWZ17CB0201XVW

• PACKAGE INCLUDED- Included 12 pcs air stones. Please note: air pump and air tube are not included SAFE AND HEALTHY ENVIRONMENT- hydroponics air stone is made of silicon carbide, which has no effect on the growth of fish and hydroponics, but also promotes it. EASILY HIDDEN- Small size very easily be hidden under the water. It wont move when its working LONG USE TIME- Soaking the air stone in water for one hour before use. Brush the stone surface every 2 weeks, you will find that he can accompany you for a long time and save a lot of money. LIFETIME SERVICE- is a different kind of company that prides itself in providing the absolute best customer service in the industry. If for any reason you decide that this air stone set is not for you, send 1 simple email and receive a refund, absolutely no questions asked ( in fact, you dont even have to return the set )