Material : PC + PP
Size : 12mm X 35mm
Color: black + several blue rings
Feature
- Much more water moving with low back pressure
- Very well working even at a low power air pump
- Can be disassembled and be cleaned if they clog
- We Recommend Under gravel Filter, Sponge Filter and Side Wall Water moving with sucker
- Can also be used separately since the air stone sinks.