Nominal 14" square opening on flanged connections. 20" flange to flange height. Cast stainless steel body & end plates. V-plow inlet. Sealed outboard bearings. 16"Ø welded stainless steel rotor with sidewalls and adjustable tips. Requires 230/460 vac, 3 phase electrical supply. Current rotor speed = 46 RPM. Demonstration video on file.