Classic 3 UV Water Purifier

Jump to: Our Verdict / Features / Specifications

The Steripen Classic 3 UV Water Purifier offers reliable and efficient water purification outdoors. It features enhanced ergonomics, improved water resistance, and a longer battery life. Its UV lamp effectively purifies water by destroying 99.9% of microorganisms.

Steripen says:

The Steripen Classic 3 with 40-micron pre-filter is the latest, most versatile model in our award winning line. Winner of Time Magazine’s Best Invention of 2001, it offers enhanced ergonomics and battery life as well as improved water resistance. An 8,000 treatment lamp delivers a lifetime of purification.

The 40×40 micron screen Pre-Filter fits perfectly on wide-mouth one liter water bottles and removes particulates that can get in the way of UV light in water. The Pre-Filter is designed to be stored directly on a wide mouth bottle and the Steripen Classic 3 fits perfectly in the filter. Just insert the Steripen Classic 3 in the filter opening, turn the bottle upside down, and gently rock to circulate light throughout the bottle.

Our Verdict

The Steripen Classic 3 UV Water Purifier is a reliable and efficient solution for ensuring safe drinking water when outdoors. This latest iteration of the award-winning Steripen line boasts enhanced ergonomics, improved water resistance, and a longer battery life. Its 8,000-treatment UV lamp promises a lifetime of use, effectively purifying water by destroying 99.9% of protozoa, bacteria, and viruses. The included 40-micron pre-filter fits snugly on wide-mouth water bottles, removing particulates that can interfere with the UV light ensuring optimal purification.

The device is powered by four AA batteries, making it versatile for various trip lengths. It has a sleek, ergonomic design and a straightforward purification process.

– Reviewed by Ultralight Outdoor Gear

Features

• Trusted on mountains and trails for over 15 years, the Steripen Classic 3 is the best-selling portable UV purifier of all time. 
• Steripen Classic 3’s enhanced LED indicator panel lets you know treatment size and status of batteries and UV lamp. 
• The Steripen Classic 3 is sleek and ergonomic with an easy-to-remove twist-off lamp cover. 
• Ultraviolet (UV-C) light rays safely purify clear water by destroying 99.9% of protozoa (including Giardia and Cryptosporidia), bacteria and even viruses
• When the treatment is complete, LED indicators flash to let you know that the water is safe to drink. 
• Approximate number of activations using the various battery chemistries: Alkaline (25), Lithium (150) or Rechargeable NiMH (100)

Specifications

• Weight: 92g
• Group size: 1,2-5
• Usage: Often
• Product type: UV pen
• Output: 0.5 liter / 48 sec; 1 liter / 90 sec
• Output (L/click): 1 click = 0.5 liter, 2 clicks = 1 liter
• Effective against: Bacteria, protozoa, cysts, virus
• Length: 7.3mm
• Width: 1.7mm
• Height: 1.7mm
• Batteries required: Yes
• Batteries included: No
• Battery type: 4 AA
• Approx treatments (battery sets): 20/80-100/150
• Product life: 8000 activations

Help & advice:

• The Ultimate Guide to Water Treatment and Purification
• Time-Saver Guide to Water Purification