ZCtron 1.6 inch aquarium air stone Oxygen diffuser Fish tank air bubbler Oxygen stone for aquarium

【Product Information】Wenshall air stone is made of silicon carbide, which is good for fish tank and hydroponics. Size:1.6 x 0.6 inch / 42 x 15 mm(D x H), Weight: 1.14 oz / 32g. Jetting volume: 2 L/min. Perfect match with Standard 3/16” Tubing.

【EASY BE HIDDEN】Round cake design. Small size very easy be hidden under the water. It won't move when it's working

【LONG USE TIME】Soaking the air stone in the water for one hour before use. Brush the stone surface every 2 weeks, you will find that it can accompany you for a long time and save a lot of money.