Your Choice Aquatics - DC20 External Protein Skimmer Your Choice Aquatics Sale! from 44999 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. YCA DC 20 External*Skimmer Pump :SP1500*Voltage/Power: 100-240V/31W*Air Intake: 1500L/H*Capacity: 500gallon*Foot Print: 16.14’’ x 9.1" x 21.65"