The Refrigerator Water Line Installation Kit supplies water to your appliance s icemaker or water dispenser. The kit includes (1) 5' L PEX tube with 1/4" fittings. This is an accessory that can be used across several brands and appliances; check to see if your model number is compatible. Installing this item will require basic hand tools, but no disassembly of the appliance or repair experience. You must unplug the refrigerator or shut off the house circuit breaker for the appliance before installing this part. Also make sure you turn off the refrigerator s water supply before you begin.