Dasmarine 8 Pack Air Stones 3In Air Stone Bubble For Aquarium Fish Tank Decor Hydroponics Airstones Air Disk Stones

Features: With high temperature sintering the air stones are sturdy and durable have high dissolved oxygen rate. These air stones work great. They generate lots of bubblesbelieve your fish are thankful and happy. The air stones are suitable for aquarium fish tank and circulation system. It can be reusableplease use a brush or something to clean it when the bubble reduced after months of usage. Specification: 3Dia. x 0.6thick fit for 3/16 and 3/8”standard airline tubing Package Include: 8 pack air stones Tips: 1 Please soak the air stone in water for about 15 minutes before usage. 2 Please use a brush or something to clean it when the bubble reduced after months of usage.