1 soak the product in water for 15 minutes before using.
2 with appropriate air pump power? air exhaust placed vertically or tilted with landscaping does not affect air output.
3 after long-term use? if there is dirt blocking and bubbles decreasing? you can take out to clean and use repeatedly.
Name: bar shape air stone
Model: AS017-4"
Color: blue
Shape: triangle
Size: 10 x 2 cm
4 x Air stone
