Dual Application System: Hang-on Tank Mount or Sump Hook-up
Easy-twist Collection Cup
Water-level Adjustment Dial
Bubble-production Diffuser
High-grade Acrylic Construction with Custom Components
Patented Needle-wheel System with Aspirating Venturi
Includes Needle-Wheel Water Pump with Air Inlet Silencer
Informative Packaging
More Info (pdf file)