While listening to your requests for a better water filtration system, C.A.P. has done it again with the addition of the 3 Stage Glacier RO System. Introducing the industries first RO with user input parameters. C.A.P.ís fully adjustable waste valve allows you to dial in your drain water ratio for either greater filter life, or for the least amount of waste water. This, coupled with the system's automatic valve operation, stops drain water when RO production is complete. Pure Glacier RO systems carry a 3 year warranty.