APA IG-080 Sintered Air Stone(80*15mm)

Featured:

• Sintered by high temperature
• Durable and washable
• Different from other air stones

Directions for use:

• Connect the air stone with air tube
• Soak in the water for 15 minutes before use
• It’s durable and be used for a long time. When it is clogged with dirt or producing bubbles with low quantity, please wash it for re-used.