I. Advantage: 

1: Raise the filter efficiency of the filter element greatly, and lengthen the filter element life time 
2: Fully give play to the role of each filter element, it is better to filter the result. 
3: Elegant appearance, the acid cleaning passivation of interior surface is dealt with, improve corrosion resistance. 
4: The sealing surface is levelled, stop seepage. 
5: The strainer undergoes the test up to 1.5 times of design pressure, make the strainer more safe and more reliable. 
6: Adopt the whole installation way of the filter element, it is convenient and swift to change the filter element. 

II. Use: 
1: Suitable for the drinking water, domestic water, electron, printing and dyeing, textile, environmental protection,etc. industrial water of trade filter and alcohol filter and medicine company filter, not acid-base to filter and the intersection of membrane and former security personnel, RO of reverse osmosis, filter. 
2: The flux is big, low cost of the consumptive material, appearance polish inferior light, the acid cleaning passivation of interior surface is dealt with. 
Technological characteristic: 
Grams of full of trees filter element, Chinese of U.S.A., have different type, the intersection of HE7 grade and the intersection of oil mist and filter element, it filter characteristic layers of anticorrosion protect multi-layer glass fibre and microfiber,filter1.