Jebao Submersible Pump for Saltwater Aquarium Reef Tank, 25w, 900gph Use in-line or submerged to suit your specific aquarium needs Pre-filter screen included for use as a submerged aquarium pump Automatic power off protection upon run dry No copper element Included 3 hose adapters fit for 3/4", 1" and 1-1/4" tubing