PES pleated water sefa inogadzirwa neyemukati uye yekunze tsigiro layer ine inotengeswa kunze kwenyika polyethersulfone fluoride, kunze kwenyika asina kurukwa machira kana sirika sikirini.Iyo sefa shell, iyo yepakati tsvimbo uye yekupedzisira cap inogadzirwa nepolypropylene, iyo yakazara inoumbwa nekupisa kunyunguduka welding tekinoroji, chigadzirwa hachina kusvibiswa uye kubuda midhiya.