The pp folding filter element is made of ultra-fine polypropylene fiber membrane and non-woven fabric or (wire mesh) inner and
outer support layers. The center rod and end cover of the filter element shell are processed by hot-melt welding technology,
without any glue, and no leakage. No secondary pollution.
outer support layers. The center rod and end cover of the filter element shell are processed by hot-melt welding technology,
without any glue, and no leakage. No secondary pollution.