The Sawyer SP194 is a 4 liter complete water purification system that includes the following:
The Sawyer SP194 Outdoor Water Filter System removes viruses, bacteria, and protozoa from water. This Sawyer water filter system works in 15 minutes to remove the above contaminants. This Sawyer water filter weighs 20 ounces. This water filter bag has a life expectancy of 1 million gallons.
The Sawyer SP194 specifications: