Penn Plax Aqua-Mist Cylinder Airstone - 7/16" Long Airstone (4 Pack)

The Penn-Plax Aqua-Mist Air Stone cylinder creates a dazzling underwater scene. Increases surface agitation, accelerates oxygen replenishment and helps release carbon dioxide build-up.

• Increases surface agitation
• Accelerates oxygen replenishment
• Helps release carbon dioxide buildup

Dimensions: 7/16" Long (1 cm)