You are purchasing a kit that contains all necessary items to convert any cooler using the M1000, M2000, XO1170 or WS1 model single filter to accommodate the new XO5515 replacement filter included in this kit. An email with two video links providing simple conversion instructions will be sent to you.  One VIDEO for conversion of Frost and Olympia coolers, and one VIDEO for conversion of ALL other model coolers.  Conversion takes about the same amount of time to complete, as it does to watch the 5-minute video.
NOTE: Ensure your volume is turned up while watching the instructional videos to hear the essential AUDIO portion of the instructions.
ALSO, if you want additional filters for future after converting your cooler, only order one kit here per cooler, then additional filters ordered for future use, should be model XO5515 replacement filters found here.