Steri-Pens (UV Light Water Purification) – 3 types

From $12.95


SteriPEN is the world’s leading manufacturer of ultraviolet, handheld water purifiers. Any of the SteriPEN purifiers makes either 16 or 32 ounces of water in under 1 minute.  It easily make safe drinking water available for travel, outdoor recreation, and home emergency kits at a tiny fraction of the cost of bottled water.  All 3 models will protect you from everything….Giardia, Crypto., Viruses, Bacteria, Covid, Cholera, Typhoid ect. ect.

1. SteriPen Classic:  $89.95
With one set of four AA alkaline batteries, Classic 3 purifies up to 50 liters or supercharge your Classic 3 with lithium batteries and treat up to 150 liters. With a lamp life of up to 8,000 liters, you’ll be drinking safe water for over 7 years!

When camping, hiking, backpacking or traveling the Classic 3 with Pre-Filter is the perfect pack to keep you safely hydrated. Classic 3’s UV light destroys over 99.9% of waterborne microorganisms that cause illness.

With SteriPEN Classic 3, one set of four alkaline batteries will treat 100 half-liters or 50 full liters of water. Or supercharge your SteriPEN with a set of lithium batteries and you’ll treat up to 150 liters! Classic 3’s enhanced LED indicator panel lets you know treatment size and status of batteries and UV lamp. Classic 3 is sleek and ergonomic with an easy-to-remove twist-off lamp cover. Like all SteriPEN UV water purifiers, Classic 3 is simple to use: remove the lamp cover, press the activation button, submerge in water and stir. In 48 seconds you have ½ liter (16oz.) of safe drinking water or purify a full liter in 90 seconds. Compared to standard chemical treatments that can take up to four hours, that’s safe water fast without adding chemicals that can leave an unpleasant aftertaste.

Additional Information

Weight 2.9 oz   (82 g)
Dimensions 7.3 x 1.7 x 1.7 in  (186 x 43 x 43mm)
Lamp Life 8,000 activations
Battery 4 AA batteries – Alkaline, Lithium or Rechargeable NiMH (Not included with purchase)
Battery Life Alkaline: 100 treatments (16oz./0.5L) or 50 treatments (32oz./1L), Lithium Disposable: 300 treatments (16oz./0.5L) or 150 treatments (32oz./1L), NiMH: 200 treatments (16oz./0.5L) or 100 treatments (32oz./1L).
Minimum Bottle Diameter 22mm (0.8 inches)
Filter Compatability SteriPEN Pre-Filter Included
User Guide en | fr | es | de



2. “Pocket-size” SteriPen Adventurer OPTI: $119.95

This is a compact version of the SteriPen Classic and was the recipient of a Desnivel Award … one of the 15 best new products. When camping, backpacking & hiking, if you won’t have access to the power grid for several days a time, this is the water purification system for you.

The Adventurer Opti UV water purifier is essential gear for thousands of adventurers and features a patent-pending technology – an optical eye senses water to ensure safe useand effective treatments. The revolutionary optical water sensor doubles as an integrated LED flashlight for added convenience on the trail or around the campsite: hold down the activation button for three seconds to illuminate the darkness.

Rugged design and construction trusted by thousands of endurance athletes. Adventurer Opti is powered by two CR123 batteries making it a lightweight water purification system and keeping it operating effectively in even cold environments. The long-lasting UV lamp provides purifies up to 8,000 liters! Works in containers with a minimum 1.75 inch diameter opening. (Like Nalgene wide-mouth bottles one liter bottles.)

Contents: SteriPEN Adventurer Opti Water Purifier, two disposable (non-rechargeable) CR123 batteries, neoprene case with belt loop, and user’s guide. Three year limited warranty.

Additional Information
Weight 3.8 oz
Dimensions 6.1 x 1.5 x 1 in
Lamp Life 8,000 treatments
Battery CR123 (included with purchase) or RCR123
Battery Life Disposable — 100, 0.5 liter treatments   Rechargeable — 80, 0.5 liter treatments
Minimum Bottle Diameter 35mm (1.4 inches)
Filter Compatibility none
User Guide en | fr | es | de


3. SteriPen “Ultra Small & Ultra-Light”: $109.95

This is the smallest portable UV water purifier available on the market.  It is best for individual use during ultra-light hiking or backpacking, Bug-Out-Bags or ultra-light Bug Out Bags,  emergencies preparedness or international travel.

The unit treats up to 20 liters of water on a single charge from its high-quality USB rechargeable battery which holds charge for months so it is ready when you need it.

It’s 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, the lamp turns off and a green LED indicator lights up so you know you can hydrate safely.

Additional Information
Weight 2.6 oz (76 grams)
Dimensions 5.1 x 4.1 x 0.87 in (13 x 3.5 x 2.2 cm)
Lamp Life 8,000 treatments
Battery Built-in Lithium-Ion USB rechargeable battery
Battery Capacity 20 Liters before recharging

SteriPen Pre-filter: $12.95

The SteriPEN Pre-Filter is used on your water bottle before using your SertiPen to remove debris from water so the UV light can effectively destroy the microorganisms in the water. Just screw it onto you Nalgene bottle before filling it and this pre-filter will filter out the larger particles and debris before using the SteriPen.

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 Classic 3 in the filter opening, turn the bottle upside down, and gently rock to circulate light throughout bottle. The tapered end also fits snugly in plastic water bottles. Just insert the lamp into the water bottle, turn it upside down and gently rock the bottle.

Product Specifications:

Size: 1.85 in. (47mm) x 2.6 in. (67mm)
Weight: 1.5 oz (43g)
Filtering: 40 micron durable nylon screen
Reversible cartridge for compact convenient storage
Cap Seals: Dual water seals to prevent contamination of drinking surface
Compatibility: Used with Nalgene® and other 32 ounce wide-mouth water bottles