Water Treatment ComponentsBall ValveContact Us to PurchaseFeatures Adjustable outflow design. Easy install and replace. Specification Model Type Spec Remark VA-0142 ball valve 1/4 OD x 1/4 NPT Made in Taiwan VA-0121 ball valve 3/8 OD x 3/8 NPT Made in Taiwan Application Suitable using in RO drinking system, purifier, water treatment system...etc. Not suitable for air or inert gasess