6400001.020 - Stallbrook Washout Top Spud Urinal UrinalAmerican Standard Stallbrook 0. 50 1. 0 GPF Washout Urinal with 3 4" Spud Size Urinal and Spud Only The Stallbrook Urinal from American Standard features a tall, sloping front stall design that combines functionality with expert craftsmanship and sleek, understated design. This water saving urinal is offered with a universal consumption of consumption 0. 50 to 1. 0 gpf (1. 9 to 3. 8 Lpf) for maximum efficiency. Crafted from durable vitrous china, the