MSR Guardian Purifier Pump
MSR

MSR Guardian Purifier Pump

$399.95 $335.96 Save $63.99
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Guardian™ Purifier
MSR · The world's most advanced backcountry purifier
Description

Nothing is safer or easier to use for purifying the most demanding backcountry water sources than the Guardian purifier. Originally designed for military squads, it brings this highly advanced technology to global travelers, backcountry users, and those stocking emergency kits. Fast and easy to use, this pump purifier offers the added viral protection you need when traveling in developing nations and popular wilderness areas. Its advanced hollow fiber filter offers the most reliable way to purify even filthy water conditions. Add its long-lasting performance and revolutionary self-cleaning ease, and this may be the only treatment device you'll ever need.

Features
Protection
Ultimate Protection - Meets NSF protocol P248, testing standard used by U.S. military, for removal of viruses, bacteria, protozoa, and sediment from "worst-case" water conditions
Speed
Fast & Easy - Pumps a rapid 2.5 liters per minute, offering added viral protection without the need for chemicals, bulbs, batteries, or waiting
Cleaning
Self-Cleaning - Pump self-cleans on every stroke, providing consistently fast flow rates with zero hassle—no backflushing or filter-scrubbing ever required
Longevity
Long-Lasting - Leading-edge hollow fiber cartridge treats up to 10,000+ liters
Durability
Extremely Durable - Engineered to withstand heavy use, freezing, drops*, and harsh environments. *Withstands MSR water lab drop testing: 6 ft. to concrete
Specs
Weight
1 lb 1 oz (490 g)
Dimensions
8.25 x 4.4 in (21 x 11 cm)
Effective Against Bacteria
Yes
Effective Against Chemicals/Toxins
No
Effective Against Particulate
Yes
Effective Against Protozoa
Yes
Effective Against Viruses
Yes
Filter Media
Advanced Hollow Fiber
Filter Pore Size (Microns)
0.02
Flow (L/Min)
2.5 liters per min
Cartridge Life
10,000+ liters
Field Cleanable
Self-Cleaning
Field Maintainable
Yes
Water Bottle Adapter
Yes
Cartridge Replacement Indicator
Yes
Materials
Material(s)
Hollow Fiber
Origin
Made in the U.S.A. of U.S. and Imported Materials
SKU
14003

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

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