High Performance Pump Max injection Venturi Air Injection System Full Cone Skimmer Body for Ultimate Foamate Stabilization Over Sized Collection Cup with Drain Bubble Dispersant Plate Precision Water Level Control Output Valve Low Heat Air Silencer Solid Construction Body Size: 15 cm Footprint: 31.5 cm x 21.75 cm Neck Size: 10 cm Total Height: 55 cm Output Size: 40mm Output Height: 18.75 cm