The Reef Octopus Classic 152-S is an in-sump protein skimmer capable of providing powerful filtration for aquariums up to 150 gallons where sump space may be limited. This Reef Octopus Classic Skimmer is constructed of high-quality cast acrylic that disassembles completely for cleaning. Its unique Super Cone "wine glass shape" body naturally stabilizes and concentrates the organic rich foam as it rises producing an enhanced foamation. Fully equipped with a Reef OctopusAquatrance 1800s pinwheel pump to produce the perfect mix of water and air for optimum waste removal. Bioload Handling (Excluding Sump) - Heavy - 80 Gallons - Medium - 100 Gallons - Light - 150 Gallons Features Refined Filtration at an Affordable Cost Compact Footprint Ultra-efficient Aquatrance 1800s Pump In-Sump Application Turbulence Reducing Super Cone Body Solid Cast Acrylic Construction Bubble Dispersant Plate Precision Control / Bubble Free Output Efficient & Quiet Operation Disassembles for Easy Cleaning & Maintenance Specs Super Cone Body Size: 6 to 3.5in Footprint: 10.4in x 8.1in Neck Size: 3.15in Total Height: 20.7in Output Size: 40mm/ 1.25in Recommended Sump Water Height: 6.5 - 8in Pump Information Reef Octopus Aquatrance 1800s Pinwheel Pump Power Consumption: 11watts Air Draw: 480-511 lph / 16-18 SCFH* Water Draw: 140gph *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