This versatile air stone is suitable for a wide range of applications, from home aquariums to hydroponic systems. Simply attach it to an air pump, submerge it in water, and watch as it produces a consistent flow of bubbles. Its user-friendly design makes it a practical choice for both beginners and experienced aquarists. Features -Color:Multi -Material:Acrylic, plastic -Size:10.50X8.90X6.90cm/4.13X3.50X2.71in -Note: Suitable for connecting 4mm pipes -oxygenation performance aquarium air stone: maximizes oxygen levels in your fish tank, promoting vibrant fish and aquatic plant growth -Consistent bubble flow aquarium air stone: produces steady and fine bubbles for improved oxygen and water circulation -Visually pleasing effect aquarium air stone: creates a stunning mist effect that enhances the visual appeal of your aquarium setup -quiet operation aquarium air stone: runs silently, making it suitable for use in quiet environments like homes, offices, or study rooms -Reliable suction cup: ensures stable installation with a strong suction cup, keeping the air stone securely in place Package list: 1 x aquarium air stone