DescriptionThis professional air bubble stone, made of premium material, is durable and practical with long service life. It is a great way to add oxygen to your aquarium, fish tank, hydroponic and circulation system. Great for fish tank and aquarium use. It will be the good choice for you.Features-Color:Grey-Material:ABS, nanometer-Size: 6.50X5.50X4.70cm;/2.55X2.16X1.85in; - Note: Connect with inner diameter 4/8mm pipe.- Durable, great for home, office fish tank, aquarium and hydroponics nutrient tanks.- The surface is using ores material, delicate and smooth, and the bubble output is more even.- Maximizes the outlet area of the air stone to provide a larger area for bubbles.- Add beauty to your display aquarium with this round air stone to create micro bubbles.- Produce fine bubbles for oxygen replacement and lowering CO2 levels.
