Ample quantity: the package contains 4 pieces green and blue air stone bars, enough quantity to meet most of your needs and share with families or friends
Durable material: the air stone bar bubbler is made from mineral and plastic,not easy to break and can be washed, non-toxic and safe to use, suitable for freshwater and saltwater; The gravels covering on the air stone bar can keep it on the bottom of tank rather than floating in the tank
Proper size: each air stones bubble diffuser is approx. 27 cm in length and 1.5 cm in width, proper size for most tanks
Create comfy environment for fishes: the bubble diffuser for fish tank helps to create rising bubbles after attached to an air pump, which can increase oxygen and enhance the aeration and water movement, give fishes a comfortable environment
Wide usages: the air stones diffuser is a practical tool for aquarium, fish tank and hydroponics, etc., improve oxygen and water movement while making nice bubbles decorations
