Wenshall 1.6 Inch Air Stone, Air Stone For Aquarium, Fish Tank And Hydroponics Air Pump (4Pcs)

PACKAGE INCLUDED The package includes 4 pcs air stones 2 pcs Three-way splitter.Please note : air pump and air tube are not included SAFE AND HEALTHY ENVIRONMENTThis air stone for hydroponics is made of silicon carbide which has no effect on the growth of fish and hydroponics but also promotes it. EASILY BE HIDDENRound cake design. Small size very easily be hidden under the water. It wont move when its working LONG USE TIMESoaking 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 Wenshall 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 100% money-back refund absolutely no questions asked (in fact you dont even have to return the set)