Refrigerator Water Line Kit for Ice Maker, Freezer, Humidifier, Water Filtration System. 25 FT X 1/4” OD Tube, 1/4" OD Quick Connect Self-Piercing Needle Saddle Valve, Adapter, & Ball Valve[FUNCTION] Tee off a water supply from an existing copper pipe (3 8" OD to 1 6 15" OD) to a point of use without turning off the main water supply. [VERSATILE APPLICATION] Use for refrigerator, ice maker, freezer, humidifier, evaporative cooler, water filtration system. [HIGH QUALITY] This refrigerator ice maker water line kit is put together with durable, lead free and NSF compliant parts, ensuring a safe food grade quality water passage. [EASY