The Sawyer SP161 filter system includes the following:
The Sawyer SP161 - Water Filtration System - 2 Liter provides clean drinking water in emergency and disaster situations. This Sawyer water filter can purify 2 liters of water in only 1.5 minutes. The Sawyer water filter system can reduce harmful contaminants in water down to 0.10 absolute microns, and includes a 2 liter nylon dirty water dispenser.
Sawyer SP161 - Water Filtration System - 2 Liter specifications: