GW filter is a common type of filter, by adjusting the motor speed to achieve stepless speed change. The utility model has the advantages of simple structure, low price, convenient use, small maintenance quantity, less wearing parts, etc.. 

1.Fabricated parts entirely manufactured from 304 L / 316 L SS
2. Shaftless conveyor screw manufactured from 304 / 316 SS or special high resistance steel
3. Perforated or wedge wire drum screen in various mesh sizes
4. Versatile unit for concrete channel installation
5.No outlet end bearing, no intermediate bearings
6.Solids extraction of up to 15 m3/h
7.Self-supporting drum and extracting screw
8.Single drive unit