Many customers have asked the editor, what is a precision filter and what is a security filter. In fact, a security filter is also called a precision filter. What is a security filter? What is it for? Do I need to buy a filter element to buy a security filter? What kind of filter element should be configured for what size equipment? What material are usually used for security filters? The following editor will answer them one by one.

Precision filtration device, also known as security filter, is mostly made of stainless steel, with built-in filter element (such as polypropylene cotton), which is mainly used for pre-filtering, reverse osmosis, and membrane filtration equipment such as ultrafiltration. The filtration makes the water quality cleaner. The security filter is used to filter fine substances (small stones due to sand, activated carbon particles, etc.) to ensure the water filtration accuracy and protect the membrane filter element from damage by large particles. The precision level of the filter element of the built-in precision filter device can be divided into 0.5μs, 1μs, 5μs, 10μs waiting. Different filtering precisions can be selected according to different applications to ensure the accuracy of the return water and the safety of the membrane element.