... is in the following material: Polypropylene,rubber membrane ,cast iron and stainless steel filter plates filter press plateWe produce ... full-automatic filter press. 1.Models:320,450,630,800,1000,1250,1500,2000 2.Fitration area up ... BQ15/450-30U1522536371122 BQ16/450-30U1624339401158 BQ15/630-30U15630*63022618190.41579 BQ20/630-30U2029724251796 BQ30/630-30U3045237382258 BQ40/630-30U4059549502893