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Key Features
- ULTRALIGHT UV WATER PURIFIER FOR BACKPACKING AND TRAVEL: At just 3 oz, the SteriPen Ultralight is the compact pen-style UV purifier in the lineup - drops into a pack pocket, vest pouch, or hydration bottle without adding bulk for thru-hikes, fast-packing, and solo trips
- WATER-ACTIVATED OPERATION, NO BUTTON TO FORGET: The Ultralight activates on contact with water and stops automatically, so it never runs down in your pack or wastes charge between uses. No accidental battery drain, no risk of leaving it on
- UV-C PURIFIES YOUR WATER IN 90 SECONDS: The 8,000-treatment UV lamp purifies clear water - no chemicals, no taste change, no waiting for tablets to dissolve
- USB RECHARGEABLE FOR THRU-HIKES AND TRAVEL: Charge via any USB power source - no hunting for backpacking batteries in small mountain towns. A single charge delivers about 20 treatments, enough for a multi-day solo trip. Pre-filter cloudy water for full effectiveness
- TRUSTED STERIPEN UV TECHNOLOGY: SteriPen UV technology delivers safe drinking water in 48 seconds without chemicals or bottles. The trusted standard for water treatment for travel, outdoor activities, and emergency preparedness
Specifications
| Brand | SteriPen |
| Manufacturer | Katadyn |
| Model | ULL-MP-EF |
| Material | Plastic |
| Size | One Size |
| Product Type | WATER_PURIFICATION_UNIT |
| Included Components | 1x UltraLight UV Water Purifier with a lid, 1x USB cable |
| Special Features | ['UV Disinfection'] |
| Item Highlights | Water-Activated USB Rechargeable Pen, Purifies 1L in 90 Seconds, For Camping, Backpacking & Travel |
| Item Type Keyword | camping-water-purifiers |
| Item Dimensions | H: 23 / L: 130 / W: 36 (Weight: 80) |
| Package Dimensions | H: 30 / L: 200 / W: 110 (Weight: 200) |
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Description
The SteriPen Ultralight is a 3-ounce pen-style UV water purifier built for thru-hikers, ultralight backpackers, and travelers who count every gram. The compact pen-style form factor drops into any pack pocket, vest pouch, or hydration bottle. Water-activated operation starts on contact so you cannot leave it running or forget to trigger it - no button to forget, no accidental battery drain inside your pack. UV-C light purifies clear water in 90 seconds (1L) or under a minute (0.5L) without chemicals or taste change. USB rechargeable - no more hunting for backpacking batteries in small mountain towns. A single charge delivers approximately 20 treatments, enough for a full multi-day solo trip. The 8,000-treatment UV lamp delivers years of reliable use. Best used with clear water sources; pre-filter cloudy water first for full effectiveness.
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