HEAVY DUTY: All solid lead free brass tee adapter crafted parts guaranteed for durability and long lasting usage.UNIVERSAL FIT: Tap into your existing shut-off valve from under kitchen sink and create an extra tee for fridge connection , water filter system feed, ice maker water line, coffee brewer, soda fountain. Made to universally fit most common shut off valve sizes of 3/8 COMP and 1/2 OD - 7/16 SJ.INCLUDED VALVE FOR EASY OPERATION: Includes 1/4 brass ball valve with quick connect end for easy connection water feed of your water filtrat