Powder lump breaker and air lock, model number RV-04, serial number 50236-001-1, 22" wide x 24" long dump area with breaker, electric motor drive, feeds to 23" wide x 23" long x 42" deep stainless steel chute, 11" wide x 10" long discharge, includes FMC Syntron vibrator, wired 115/1/60, feeds to MAC air lock, mild steel construction and frame.