Sea Side Aquatics - ES-1B Hang on the Back Protein Skimmer Sea Side Aquatics Sale! from 19900 /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. Sea Side Aquatics ES-1B Hang on the Back Protein Skimmer ES1 HANG ON BACK SKIMMER 16" tall (depends on the level of the collection cup) 7" wide 4.2" deep (plus additional for the inlet pipe and outlet) Acrylic Construction with SCH80 fittings. Highly Efficient, Durable, Reliable. Pump(included): SHARK 1.0 Pump power consumption: 11 Watts Color: Black RATED FROM 75 TO 100GAL