The compact MSR MiniWorks EX filter with EX technology has been proven reliable by thousands and thousands of adventurers around the world.
Ceramic/carbon Marathon™ EX element effectively removes bacteria and protozoa including giardia and cryptosporidia
Also removes chemicals including pesticides, industrial pollutants, iodine and chlorine
Filter can be cleaned over and over for maximum field life with no tools required
AirSpring Accumulator™ increases filtration speed up to 1 liter per min.
Bottom screws onto an MSR Dromedary® Bag or Nalgene® water bottle for easy operation (both sold separately)
Easy disassembly lets you troubleshoot and maintain the MSR MiniWorks EX filter in the field