5pcs Aquarium Oxygen Pump Stones, Fish Bubble Generator with Rotary Control

Adjustable Bubble Control: With the rotating design, customize the size and density of the bubbles for your aquarium. Enhanced Oxygenation: Creates bubbles to reduce carbon dioxide and increase oxygen levels in your tank. Eco-Friendly and Durable Material: Made from safe plastic for long-lasting performance. Essential Aquarium Tool: Supports fish respiration by maintaining optimal conditions. Universal Compatibility: Works perfectly with pumps, aeration systems, and most fish setups.