Air Bubble Stone Airstone for Aquarium Air Stone for Fish Tank,6pcs

Description

Attention： Immerse it in the water for 15 minutes before use. Suitable for using in 30-60cm fish tanks. If it doesn't have bubbles in one part, please change the pump of higher power. Suitable for inner diameter 4mm soft tube. It will not work as normal without attaching to the submersible pump. Specifications: Item Size: Approx. 40mm * 15mm (D * H) Item Weight: Approx. 30g / 1oz Package List: 6 * Air Stone