Get safe and clean water wherever the trail finds you with Sawyer’s S1 Foam Water Filter and 20-oz. Bottle, built with a 0.1-micron hollow fiber filter to trap bacteria, protozoa, cysts, dirt, and sediment. Available in 3 models, each with higher levels of filtration. Sawyer’s advanced filtration technology ensures a safe sip on that long hike or bike ride.
S1 Foam Filter
Removes: bacteria, protozoa, chemicals, pesticides
Improves: taste & odor
Number of Uses: 1,600
S2 Foam Filter
Removes: viruses, bacteria, protozoa, chemicals, pesticides
Improves: taste & odor
Number of Uses: 800
S3 Foam Filter
Removes: heavy metals, viruses, bacteria, protozoa, chemicals, pesticides
Improves: taste & odor
Number of Uses: 400
Each filter system includes 20-oz. water bottle.
All three filter systems reduce chemicals down to 0.5 parts per billion, up to 40 times lower than the Environmental Protection Agency’s maximum recommended level, and reduce pesticides down to 0.01 parts per billion, 400 times lower than the EPA’s maximum.
The S2 and S3 systems filter out 99.99% of viruses, and the S3 also reduces heavy metals like copper, arsenic, and mercury down to 0.5 parts per billion, up to 260 times lower than the EPA’s maximum.
How to Use
1. Unscrew filter, fill bottle to max fill, screw filter back on
2. Squeeze bottle in alternating motion for 10 seconds
3. Drink directly from filter or pour into container
Before You Order
Before ordering, compare part number SP4120 with the existing rv water filter and installation requirements.
Frequently Asked Questions
Which part number identifies this rv water filter?
The source identifies this product with part number SP4120.







