Classic 150-INT Protein Skimmer

The Reef Octopus Classic 150-INT Protein Skimmer steps the Classic Series up to aquariums as large as 210 gallons, with a taller cone body that extends bubble contact time and boosts export capacity over the 110-INT without needing a larger sump footprint than most standard cabinets can handle. Best for: reef and mixed saltwater systems up to approximately 210 gallons Setup: in-sump, standard cone footprint Pump: needle-wheel pump for consistent, fine bubble production Maintenance: gate-valve water level control, removable cup As the mid-size option in the Classic INT lineup, the 150-INT is the model most 150-210 gallon reef builds land on when they want dependable, set-and-forget skimming without stepping up to the Elite or Regal DC-controlled lines. Compatible replacement parts: Classic 150 series pumps, neck extensions, and collection cups.