I-valve yebhola lepulasitiki yenziwe ngezinto ezingavuthiwe ze-PVC ezisezingeni eliphezulu, ezinobunzima obuphezulu, ukumelana okuqinile nokucindezela namanzi, nokuqina.
I-valve yebhola ye-PVC inokumelana nokugqwala okuhle, ukuvikelwa kwemvelo, ukusetshenziswa okuphephile nokuthembekile.
I-valve ye-valve yamanzi yase-Thai ihlanzekile, akukho monakalo, indawo ebushelelezi nodonga lwangaphakathi isikhathi eside, ungakhathazeki mayelana nokukhama kwesikali futhi uvimbele ipayipi lamanzi.
I-valve yebhola lamanzi kulula ukuyifaka, futhi ayivuzi ngemva kokuhlolwa okuningi