A member of the Reef Octopus Classic Series, this popular in-sump skimmer will provide great filtration for aquariums up to 210 gallons. As with every Reef Octopus protein skimmer, the Classic 150INT is constructed of high-quality cast acrylic and features an easy to adjust gate valve, a quick release neck for easy cup removal, cup drain, bubble diffuser, o-ring sealed union pump mount, air shredding Aquatrance 2000s pinwheel pump and air silencer. Filtration Handling 210 Gallon - Light Filtration Demand 150 Gallon – Medium Filtration Demand 120 Gallon – Heavy Filtration Demand Features Enhanced Performance Venturi Air Injection System Reef Octopus Aquatrance 2000s Skimmer Pump Refined Hybrid (half cone) Skimmer Body Easy to Remove/Quick Release Collection Cup with Drain Precision Water Level Control Output Valve Air Intake Silencer Solid Acrylic Construction Quiet and Energy Efficient Operation Technical Specs Body Size: 6" Footprint: 12.4" x 8.7" Neck Size: 3" Total Height: 22" Output Size: 40mm - Comes with Metric to British Adapter to 1.25” pvc Output Height: 5.6" Note: Recommended Sump Water Depth: 6"- 8" Pump Information Aquatrance 2000s Pinwheel Pump Wattage: 18 Watts Air Draw: 720 lph / 25.2 SCFH* Water Draw: 198 GPH* *Air and water results will vary depending on aquarium setup Warranty -Two(2) year on pump body - One(1) year on pump rotor - One(1) year on Skimmer Body