Katadyn STERIPEN CLASSIC 3

Engineered for reliability during treks, remote expeditions, and monsoon-season travel, the Steripen Classic 3 is the ideal water safety tool for backpackers, climbers, and solo adventurers. It delivers chemically-free, great-tasting water without the weight of carrying your entire supply, making it essential for technical ascents and multi-day routes where water sources vary. The system’s effectiveness against a broad spectrum of pathogens provides confidence when treating water from clear mountain streams, ensuring hydration without compromising your health or performance.

Key Features 

• UV-C Light Purification: Destroys over 99.9% of bacteria, viruses, and protozoa (including Giardia) by disrupting their DNA/RNA.

• Dual-Capacity Treatment: User-selectable treatment cycles for 0.5 liters (48 seconds) or 1.0 liter (90 seconds) via one or two button clicks.

• Long-Life UV Lamp: Rated for a product lifetime of 8,000 full treatment activations.

• Versatile Battery System: Operates on 4 user-supplied AA batteries (alkaline, lithium, or rechargeable NiMH).

• Enhanced LED Indicator Panel: Displays treatment size, battery status, and UV lamp status for clear operational feedback.

• Optional 40-Micron Pre-Filter: Screens out particulates from cloudy water sources to optimize UV light penetration.

• Ergonomic & Water-Resistant Design: Features a twist-off lamp cover and improved water resistance for rugged field use.

Key Points 

• Award-Winning Legacy: Recognized as a Time Magazine Best Invention and the best-selling portable UV purifier for over 15 years.

• Laboratory-Verified Efficacy: Meets U.S. EPA standards for microbiological water purifiers and holds the Water Quality Association (WQA) Gold Seal based on independent lab testing.

• Superior to Chemical Treatments: Provides safe water in minutes instead of hours, with no chemical aftertaste, odor, or wasted waiting time.

• Extended Field Usability: Offers exceptional battery economy, with a single set of lithium batteries capable of purifying approximately 150 liters of water.

• Complete Travel Kit: Includes a protective neoprene storage pouch, and the optional pre-filter can be stored directly on a wide-mouth water bottle.

Technical Specifications 

• Physical Dimensions: 7.3 mm (Length) x 1.7 mm (Width) x 1.7 mm (Height).

• Weight: 178 grams (without batteries).

• Treatment Volume: 0.5 liter or 1.0 liter.

• Treatment Time: 48 seconds for 0.5L; 90 seconds for 1.0L.

• UV Lamp Life: 8,000 activations.

• Power Source: 4 x AA batteries (Alkaline, Lithium, or Rechargeable NiMH). Batteries not included.

• Battery Performance (Approx.):

  • Alkaline: 20-25 treatment cycles (50-100 liters).

  • Lithium: 150 treatment cycles (150 liters).

  • NiMH (2300 mAh): 100 treatment cycles (100 liters).

• Effective Against: Bacteria, Protozoa, Cysts, Viruses.

• Suitable Water Source: Visually clear water; requires optional pre-filter for turbid water.

• Minimum Bottle/Container Neck Diameter: 22 mm.

• Warranty: 3-year limited manufacturer warranty.

• Product Certification: Water Quality Association (WQA) Gold Seal