NOW AVAILABLE! Reef Octopus BH-50 Multi-Mount Protein Skimmer A small skimmer with all the great features usually only found in larger skimmers. Equipped with bubble diffuser, air silencer, solid mounting bracket, easy to use raiser pipe to control the internal water level in the skimmer and all in a small footprint. These work well in small wet/dry sumps, in nano tank overflows and in display aquariums. Rated for aquariums up to 50 Gallons Footprint: 5.1″ x 5.5″ | Body Diameter: 3″ | Height: 13.8″ Powered by: OTP 300s pinwheel pump Features - Small Footrint - Positionable Mounting Bracket - Multi-mount Design - Bubble Diffuser - Easy to Remove Collection Cup - Air Silencer - Easy to Use Raiser Pipe - Solid Construction Filtration Handling - 50 gallon – Light Filtration Demand - 40 gallon – Medium Filtration Demand - 30 gallon – Heavy Filtration Demand Technical Specs - Body Size: 3″ - Footprint: 5.1″ x 5.5″ - Total Height: 13.8″ Powered by: OTP 300s Pinwheel Pump Wattage: 6w Air Draw: 128 lph / 4.5 SCFH* *Air results will vary depending on aquarium setup AVAILABLE NOW!