Coralife BioCube Protein Skimmer (V2) w/Needle Wheel Part # 100538604
 
Conveniently fits into the built-in filtration system of the Oceanic & Coralife BioCubes.
Will work with the older Oceanic and Coralife Size 29 BioCubes
Will work with the newer Coralife Size 16 & Size 32 LED BioCube Aquariums. 
Includes a hanging bracket for use with standard aquariums
Adjustable air flow for wetter or dryer skimming
Efficiently removes harmful organics from saltwater environments
Simple set-up, and easy to clean
Dimensions: 12" x 3.5" x 3.75"
 
NOTE - 
NOT COMPATIBLE with the 14 BioCubes.
When using with the BioCube 16,  removal of the middle chamber is required you will need to put the Skimmer in that chamber (removal of the media basket & drip tray is required).