【Mist-Like Micro Bubbles】Compared with traditional air stones, our aquarium bubbler produce bubbles that are richer and more delicate, like mist, and the bubbles rise evenly and slowly, allowing your fish to enjoy a bath of oxygen. Increase fish vitality and prevent them from getting unhealthy 【High Double Oxygen Dissolving Rate & Quiet】The fish tank bubbler produces a good amount of dense bubbles, the contact area between the bubbles and the water is wider, resulting in a higher dissolved oxygen rate. It has little impact on the water urface and make little noise. Great for add oxygen to your hydroponics growing system, increasing oxygen levels, lowering CO2 and raising PH 【Made of EVA material & non-clogging】Made of special EVA material and wrapped in a black plastic base. The material is safe and non-toxic which won’t affect the health of your aquatics. Unlike traditional nano air stones, the EVA will not get clogged with long-term use. Durable for a long time 【Stable in Water】Each aquarium bubbler measures 4.7" L x 3.7" W and weighs 0.6 lb, prevent displacement by water flow. Recommended air pump power: ≥ 5W. There is no need to soak the bubbler in water for a while before use, it will bubble immediately 【All In A Package】No Worry About Mismatching - Complete air pump accessories of airline tubing, air bubbler, suction cup and check valve for basic aquarium aeration setup. Efficient bubblers for long-time service. Fit for hydroponic systems, ponds, aquariums or fish tanks and other systems.