CamelBak Purifier - MAPS. A.P.S. Purifier is designed to purify water on the go minimizing operator time at water sources. M.A.P.S. is compatible with all Antidote and Crux reservoirs and is small enough to be stored in a pack organizer pocket. Features of CamelBak Purifier MAPS The M.A.P.S. Purifier is designed to purify water on the go minimizing operator time at water sources. Removes bacteria viruses and cysts Removes bacteria viruses and cysts Once installed the purifier can remain in place. It is unaffected by day-to-day use of potable water Highly resistant to damage resulting from freezing temperatures when emptied according to instructions Reduces turbidity to less than 1.0 NTU. Package Contents: CamelBak Purifier MAPS CamelBak 91187: Purifier - MAPS