精密过滤器又称保安过滤器，一般设置在压力容器之前，以去除浊度1度以上的细小微粒，来满足后续工序对进水的要求；有时也设置在整个水处理系统的末端，防止细小微粒（如破碎的树脂）进入成品水。
检查清洗水箱，管路和保安过滤器，必要时装入新的滤芯；
Check water box, pipeline and filter, change the filter material if needed.
精密过滤器也称保安过滤器，能进一步去除水中悬浮颗粒及其它杂质，它采用微孔陶瓷、微孔无毒塑料、蜂房式管状滤芯。
Precision filter, namely core filter, can further remove the suspended solids and other impurity in the water, it is made of micro hole chinaware, micro hole non-toxin plastic and cell pipe core.
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