Water Treatment ComponentsFlow RestrictorContact Us to PurchaseFeatures Install in the drain water outlet of RO housing to control water discharge. Specification Model Type Spec Remark AC-0162 flow restrictor, insert style 300~400CC, with 0.5mm hole Made in Taiwan AC-0162-1 flow restrictor, insert style 500~550CC, with 0.7mm hole Made in Taiwan AC-0162-2 flow restrictor, insert style 1000CC, with 1.25mm hole Made in Taiwan Application Suitable for use in RO drinking systems.