Dimensions: 18″ long x 18″ wide x 15″ high
Drain/Skimmer Section: 10.875″ x 11″
Front/Refugium Section: 17.5″ x 6.5″
Return Pump Section: 6.4375″ x 11″
Total Water Volume: 20 gallons
Skimmer Water Level: 9.5″ fixed
Drain Input Fitting: 1″ (x1)
Filter Sock: 4″ (x1)