MSR
MSR MiniWorks EX Microfilter
$64.95
Only one available.Make it yours.
US sizes are approximate. Use Mondo to choose your boot size.
Ski boot size guide
Mondo is based on foot length in centimeters. Measure both feet in thin ski socks and use the longer measurement as a starting point.
US equivalents are approximate and vary by brand. A listed US reference may differ from this general chart. Width, foot shape and liner fit matter too.
| Mondo | US Men’s ≈ | US Women’s ≈ |
|---|---|---|
| 21.5 | — | 5 |
| 22 | — | 5.5 |
| 22.5 | — | 6 |
| 23 | 5 | 6.5 |
| 23.5 | 5.5 | 7 |
| 24 | 6 | 7.5 |
| 24.5 | 6.5 | 8 |
| 25 | 7 | 8.5 |
| 25.5 | 7.5 | 9 |
| 26 | 8 | 9.5 |
| 26.5 | 8.5 | 10 |
| 27 | 9 | 10.5 |
| 27.5 | 9.5 | 11 |
| 28 | 10 | 11.5 |
| 28.5 | 10.5 | 12 |
| 29 | 11 | — |
| 29.5 | 11.5 | — |
| 30 | 12 | — |
| 30.5 | 13 | — |
Whole and half sizes can share a shell; keep the exact size marked on the boot. Boot sole length in millimeters is for binding setup, not shoe sizing.
For kids’ boots or a size outside this chart, .
Product details
MSR MiniWorks® EX Microfilter
The MSR MiniWorks® EX Microfilter is a rugged, field-maintainable water filter designed for backpackers, hikers, and international travelers who need reliable water purification in remote locations. Featuring a ceramic and carbon filtration system, it effectively removes bacteria, protozoa, and particulates while improving taste and reducing odors. Built to last, this hand-pump filter is easy to clean and maintain in the field, ensuring a long lifespan for extended adventures.
Key Features:
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Ceramic & Carbon Filtration – Removes bacteria, protozoa, and particulates while improving taste.
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Field-Maintainable Design – Fully cleanable ceramic element for long-lasting performance.
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Fast Flow Rate – Pumps up to 1 liter per minute with consistent output.
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Durable & Reliable – Built for rugged backcountry and international travel conditions.
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Universal Bottle Compatibility – Directly attaches to wide-mouth water bottles and hydration systems.
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Activated Carbon Core – Reduces chemicals, pesticides, and unpleasant water tastes.
Shipping & returns
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Colorado Springs, CO
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Sunday: 10am–4pm
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See photos and item notes for wear and any limitations. Questions? Ask our gear experts.
Condition guide
Our Colorado Springs specialists inspect each item. Compare the seven condition grades below, and check the product photos and item notes for specific wear, repairs, or limitations.
New / Unused
New, never-used gear ready for its first adventure. Tags or original packaging may be missing; minor marks from storage may be present.
Like New
Looks almost new, with very little wear. It may have been used, or its unused history cannot be confirmed.
Lightly Used
Light signs of use, such as small scuffs, faint scratches, or minor fabric wear.
Normal Use
Everyday wear from regular use, such as visible scuffs, scratches, light pilling, or fading.
Well Loved
More noticeable wear, such as deeper cosmetic scratches, heavier pilling, fading, or worn contact areas.
Heavily Used
Substantial wear. Check the listing carefully for remaining function, missing parts, limitations, and any work needed before use.
Parts / Display
For parts, display, collecting, or a project. Not sold as ready for its original intended use.
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Family-owned · Colorado Springs · Est. 2009
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