The Sawyer SP184 is a 4 liter complete water purification system that includes the following:
The Sawyer SP184 Complete Water Treatment System removes viruses, bacteria, and protozoa from water. This Sawyer water filter system works in under 3 minutes to remove the above contaminants. This Sawyer water filter weighs 18 ounces. This water filter bag has a life expectancy of 1 million gallons.
The Sawyer SP184 specifications: