Made in Germany, built to perform Deltec Products truly deserve their 'Made in Germany' quality label. All parts are manufactured using cutting edge computer controlled CNC milling machines thus ensuring consistent high quality components and pumps that are built to last. 24V quiet operation due to sine wave technology and brushless motor Suitable for fresh or saltwater Internal or External use Adjustable controller with 0-10V interface CLICK HERE TO WATCH - JAKE ADAMS @ REEF BUILDERS REVIEW MODEL FLOW RATE MAX. HEAD DIMENSIONS INLET OUTLET POWER E-FLOW 4 1,056gph @ 3ft. 12 ft. 7" x 3" x 5.5" 1" 1" 2-30W E-FLOW 8 2,113gph @ 3ft. 12 ft. 7.3" x 4" x 6" 1.25" 1.25" 2-30W E-FLOW 10 2,720gph @ 3ft. 19 ft. 8" x 5.25" x 8.5" 1.25" 1" 10-130W E-FLOW 12 3,117gph @ 3ft. 26 ft. 8" x 5.25" x 8.5" 1.25" 1.25" 10-130W E-FLOW 16 3,856gph @ 3ft. 29.5 ft. 8" x 5.25" x 8.5" 1.5" 1.25" 10-130W E-FLOW PUMP INSTRUCTION MANUAL