The most important marine fish filter system is the protein skimmer.

Shin Mao skimmer designed for producing more tiny bubble can hold more protein and olein. Make your reef and marine fish very thrive. We have an intimate design is our Waster Returned system to prevent skimmer cup overflow to your floor.

• Cheap 

• Jet venturi injector designed for more bubble

• Muffler venture suction - noise reducer

• Easy to maintain