Sawyer Products SP131 Squeeze Water Filter
By Sawyer
What is the Sawyer Products SP131 Squeeze Water Filter?
Compact inline water filter that removes 99.99999 percent of bacteria and 99.9999 percent of protozoa from any freshwater source without chemicals. The hollow fiber membrane has a lifetime guarantee and can filter one million gallons making it the last water filter most hikers will ever need. Attaches to standard water bottles, hydration bladders, or squeeze pouches.
What are the pros?
- Filters one million gallons lifetime
- Removes bacteria and protozoa
- Lightweight at 3 ounces
- Versatile attachment options
What are the cons?
- Does not filter viruses without pre-treating
- Flow rate slows if not backflushed regularly