The ES-100 is the result of four models folded into one. Precision Marine’s most popular venturi skimmer, the ES-100, will handle all your skimming needs up to a 100 gallons. At 22” overall height, this potent and compact skimmer will handle everything you can throw at it. ES-100 Specifications: Overall Height: 22” Reaction Tube Diameter: 6” Reaction Tube Height: 14.25” Base Diameter: 7.75” Water Inlet Size: 0.50” SOC/0.75” SPGT Water Outlet Size: 1” FPT Waste Collector Compatible: Yes Recommended Capacity: 100 gal.