High 222 End Cap Adaptors For 68-69mm OD Pleated Filter

High 222 End Cap Adaptors For 68-69mm OD Pleated Filter
Item Model: SIIC-FPP-SF68-EC222HOR
 
As one of end cap adaptors, high 222 end cap for 68-69mm OD pleated filter cartridge is mainly made of polypropylene, it is with double O rings.

What is difference between the common end cap and adaptors?
Most people call both of common end caps and adaptors as end caps. Common end cap is the basic end cap, adaptors include different types of end caps which are used for fitting ends of filter cartridges, adaptors include 222, 226, fin, flat cap and other, etc.


What is the common end cap of 68-69mm filter cartridge?
Compared with high flow filter cartridges, filter cartridges with outer diameter 68-69mm are smaller, so they are also called small diameter pleated filter cartridges. Although, the diameters of small filter cartridges from different supplier are a little different, but all of them are between 68-69mm, 68-69mm filter cartridges are treated as standard pleated filter cartridges.
And polypropylene standard pleated filter cartridges are most economic, used most often, so most people call standard pleated filter cartridges as PP pleated filter cartridges.
As of one basic assembly parts of filter cartridges, the common end cap is mainly made of polypropylene material.
Except for polypropylene, the common of filter cartridges is also made of fiberglass, nylon and other special materials.
Because welding common end cap is basic production process during most types of pleated filter cartridge production, the common end cap is also called the basic end cap.

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fin end cap part for filter cartridge                                                       plastic outer cage/inner core for filter cartridge