Used Union Process "SZEGVARI" Attritor, Model 1-SDG, Union Process Model 1-SDG Szegvari Attritor, Size 1, 1.5 gallon. Stainless jacketed grinding tank with Cover, driven by 3 Hp Vari-drive, 3/60/230-460 volt Explosion Proof Variable Speed Motor, Serial# 900808. unit will be cleaned, painted and tested.