青青青欧美视频在线看_极品白嫩少妇香蕉视频_欧美人妻喷潮影片_午夜成午夜成年片在线观看bd

Applications：

This sand filter system effectively removes suspended solids and phosphorus.

Principles & Features：

1.Filtration area per fiter:5-6m2;system capacity:1000m3/d.

2.Depth of filtration tank:6100mm.

3.Height of sand media:2m.

4.Fitration media:natural sea sand,grain size 1.2~2.0mm,uniformity coefficient K60≤1.5,total weight of sand per system=23 ton.

5.Air compressor pressure:0.7MPa.