Wedzera kuita uye hupenyu hurefu hwemidziyo yako yemagetsi neyepamberi ePTFE inoumba mafirita midhiya.Yakagadzirwa kuti isangane nemiyero yepamusoro yekudzivirira mvura, inofema, iyi inovandudza sefa midhiya inokunda mune dzakasiyana siyana dzekushandisa.Chimiro chayo chisingapindi mvura uye chinofema, kugona kuenzana kuenzana, kemikari corrosion kuramba, kushivirira kwekushisa kwepamusoro, kudzivirira kweUV, kuramba guruva, uye kudzoreredza mafuta kunoita kuti ive sarudzo yepamusoro kune akawanda maindasitiri.