Oase OptiMax Aquarium Pumps are small, yet powerful pumps for water movement, and circulation.
The complete line, consisting of Optimax 300, 500, 800, 1000, 2000, 3000, 4000 & 500 Pumps are perfect for ater circulation, or as return pumps to the Aquarium. (ie. Sump Pumps)
Key Features:
Can be used in Freshwater or Saltwater applications.
Adjustable water flow on all models.
The 6 larger models can be dry installed.
Very Quiet & Economical.