MSR SweetWater Water Purifier System | REI Co-op

REI Accessibility Statement
Skip to main content
Skip to Shop REI categories
Shop REI
REI Outlet
Used Gear
REI Adventures
Classes & Events
Expert Advice
Co-op Journal
Conversations

Cart

Sign inMy account
Error Error message

User login form
Email

Password

Forgot password?

By signing into your account, you agree to REI's Terms of Use and acknowledge you have read its Privacy Policy.

Create an account
Co-op Customer

Member number:

Available dividend: $

Become an REI member
Earn an Annual Dividend, plus get access to exclusive products, events and offers.
- Sign out
Stores
Cart

to open cart summary dialog, press down arrow

Camp & Hike
Camp & Hike
Climb
Climb
Cycle
Cycle
Paddle
Paddle
Run
Run
- Expert Advice Checklists & how-tos
- Classes Expert-led instruction
Snow
Snow
Travel
Travel
- REI Adventures Trips Award-winning trips
- Expert Advice Checklists & how-tos
Yoga
Yoga
- Expert Advice Checklists & how-tos
Men
Men
- Expert Advice Checklists & how-tos
Women
Women
Kids
Kids
- Expert Advice Checklists & how-tos
- REI Adventures Trips Award-winning trips
Deals
Deals
Moresite navigation options
More
Shop REI Outlet

All Expert Advice
All Classes & Events
All REI Adventures
Co-op Journal
Membership
About REI

Mon–Fri, 5am–10pm PT
Sat–Sun, 6am–9pm PT

Find answers online anytime.

Service may be slower than usual due to our COVID-19 safety protocols for staff and customers.

Error: REI employees are not permitted to submit reviews or Q&A at this time.

Reviews

Questions & Answers

How are we doing?

on this page.

Sign up for REI emails

Co-op offers, events & cool new gear

Email Error: Is your email address correct?

REI Privacy Policy

Thank you!

Check your inbox for your first email from REI. We'll send you a few emails every week. You can easily unsubscribe at any time.

System Maintenance

The newletter sign-up system is currently down for maintenance.

At REI, we believe that a life outdoors is a life well lived. We've been sharing our passion for the outdoors since 1938.Read our story

Become A Member

Join the REI Co-op community to get an annual dividend, access exclusives and give back. Lifetime membership is just $20. Learn more and join us

Apply For REI Co-op Mastercard^®

Earn a $100 REI Gift Card when you apply, get approved and make any purchase within 60 days of card approval.Details
Have it?Manage your card

Return Policy
Return Instructions
Your Online Account
Purchase Status
Shipping Info
Membership
Find Member Number
Annual Dividend Lookup

Expert Advice
Classes, Tours & Events
Store Events
REI Adventures Trips
Co-op Journal
Conversations

Gift Cards
Gift Registry
Wish Lists
Coupons, Rebates & Discounts
Free Shipping Details

About REI
Stewardship
Jobs
Newsroom
Technology Blog
Sell at REI
Affiliate Program
Corporate & Group Sales
Store Locator
Email Us
Live Chat
Help Center

Call us at1-800-426-4840

Mon–Fri, 5am–10pm PT
Sat–Sun, 6am–9pm PT

We will respond as quickly as we can.

Live Chat

Mon–Fri, 5am–10pm PT
Sat–Sun, 6am–9pm PT

Help Center

Find answers online anytime.

Begin dialog

End dialog

Get REI apps

twitter facebook pinterest youtube instagram

© 2020 Recreational Equipment, Inc. All rights reserved. REI and the REI Co-op logo are trademarks of Recreational Equipment, Inc.

Terms of Use
Privacy Policy
Interest Based Ads
Product Recalls
CA Transparency Act
REI Accessibility Statement

Sign up for REI Co-op emails

Stay updated on the latest news, deals & more.

Success! Check your inbox for more perks. We’ll send you a few emails every week.

You can unsubscribe from REI Co-op emails at any time.

REI Co-op Privacy Policy

Email Opt-in

Email (Required)

Please use yourname@example.com format

REI Co-op Privacy Policy