IValve yethu yeButterfly yokuLwa koMlilo yenzelwe ukunika ukhuseleko oluthembekileyo nolusebenzayo lomlilo. Ngeziphelo zayo ze-grooved, inika ukufakela okulula kunye nokugcinwa. Le valve yenziwe ngezinto ezikumgangatho ophezulu, eziqinisekisa ukuqina kunye nokuphila ixesha elide.
