The original full-flow shower head nozzle. Dramm's aluminum 400 Water Breaker provides fast, full-flow watering without damage to your plants or disturbing soil. Used and recommended daily by professional growers worldwide. Cast aluminum and hand machined with 3/4 inch brass hose threads. Invented, designed and manufactured in the U.S.A. since 1945.

• 11.1 GPM @ 40 PSI