... H-shaped recessed plate struture, 2.good in rigidity Shuangfa fuel, water separator filter press1.Frequency conversion motor drawplate:motor is germany SEW ... of our filter 1. Models inculde :320,450,630,800,1000,1250,1500,1600,1500*2000 and 2000 etc. 2. Mas ... hope group,Zijin Mining.Pingmei Group and so on. caterpillar fuel,water separator filter press 008615896531755