【Easy installation 】:Our inline refrigerator water filter kit fittings are standard and Push-in quick connectin.Also a clear installation instructions help you complete your work in minutes. Inline Water Filter – with Water Line & Fittings for Refrigerator,Ice Maker | Effective Chlorine Removing Filter,with 1/4″ Water Line&Push Fittings,Install in 5 Minutes;Also for Coffee Maker,RO System.