Water Treatment ComponentsMale Union TeeContact Us to PurchaseFeatures Suitable using in RO drinking system, purifier, water treatment system...etc. Specification Model Type Spec. Remark FI-0033 male union tee 1/8 NPT x 1/4 OD x 1/4 OD Made in Taiwan FI-0035 male union tee 3/8 PT x 3/8 OD x 3/8 OD Made in Taiwan FI-0034 male union tee 1/4 PT x 3/8 OD x 3/8 OD Made in Taiwan FI-0059 male union tee 1/4 PT x 1/4 OD x 1/4 OD Made in Taiwan Application Avoiding leaking, need to collocate the same diameter pipes to fittings.