3.8L, Sloan (Regal) Exposed type Flushometer for washout urinals. Quiet, exposed diaphragm type , urinal flushometer chrome plated finish, metal oscillating NON-HOLD-OPENING lever handle, 3/4" IPS, screwdriver backcheck angle stop with protective cap, adjustable tailpiece, vacuum breaker flush connection and spud coupling, wall and spud flanges