__NOTOC__ <small{{Language-title />box|english_link= Slow sand filter | french_link= Coming soon | spanish_link= Coming soon | hindi_link= Coming soon | malayalam_link= Coming soon | tamil_link= Coming soon | swahili_link=coming soon | korean_link= Coming soon | chinese_link=缓沙过滤器 | indonesian_link= Coming soon | japanese_link= Coming soon }}
[[Image:Icon_biosand.png|right|80px]]
[[Image:slow sand filter.jpg|thumb|right|200px| 水项目：缓沙过滤器，Yakbe，车。 照片: [http://www.travelblog.org/Photos/2411254 Travelblog.org]]]
-溶解化学品 （标准筛选器）<br>
-总溶解浓度 <br>
| 过程process= 慢砂过滤| 注意watcrit= 污染淡水
}}