SteriPEN Classic with Pre-Filter


Have a question about water purifiers? Get answers in the gear selection forum.

Where to Buy

sponsored links
Help support this site by making your next gear purchase through one of the links above. Click a link, buy what you need, and the seller will contribute a portion of the purchase price to support Trailspace's independent gear reviews.

Retailers' Descriptions

Here's what other sites are saying:

SteriPEN Camp & Hike Classic 3 Water Purifier w/Pre-Filter SPPFMPEF. Classic 3 purifies water using ultraviolet (UV) light. Whether your source is a clear running brook or a hotel tap Classic 3 destroys viruses bacteria and protozoa including Giardia and Cryptosporidium in seconds. To purify 32 oz of water the SteriPEN only takes 90 seconds The 4040 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.


SteriPEN Classic with Pre-Filter is a safe and easy-to-use UV travel and camping water purifier designed for use with wide-mouth water bottles. This SteriPEN Classic pack is all you need when camping, hiking, backpacking or traveling to stay healthy and bacteria free. Use the 40 x 40 micron screen Pre-Filter to remove particulates from the water, then treat your water in seconds. The ultraviolet light disrupts the DNA of microbes to purify 0.5 liters in just 48 seconds or 1 liter in 90 seconds. Lightweight and portable at only 5.7 ounces, with batteries. Push-button operation is extremely easy to use, with just 3 steps. SteriPEN is effective against: outdoor microbes such as cryptosporidium, viruses, bacteria and giardia; travel pathogens that cause diarrhea, dysentery, hepatitis and polio; household germs such as influenzas, E. coli, salmonella, staph and strep; and natural disaster and bio-terror risks that cause cholera and other waterborne illnesses. Pre-Filter stores directly on your wide-mouth water bottle. Tapered end allows a snug fit with the Pre-Filter or commercial water bottles. Purify water in your water bottle, glasses or other bottles. The SteriPEN purifier exceeds U.S. EPA standards, destroying over 99.9999% of bacteria, 99.99% of viruses and 99.9% of protozoa when used as directed. By using SteriPEN instead of drinking bottles of water, you can save up to 8,000 bottles from entering landfills. Comes with neoprene carrying case and user guide. The SteriPEN purifier is fast, light, easy and effective - the perfect portable and camping water purifier for all your adventures!. Pack Contents: 1 SteriPEN Classic, 1 SteriPEN Classic Carrying Case, 1 Water Bottle Pre-Filter, User's Guides. SteriPEN Length: 19.3 cm, or 7.6 in. Weight: 97 g, or 3.4 oz (without batteries). Takes 4 AA Batteries, Not Included. Lamp Life: 8,000 cycles (8,000 liters or 2,000 gallons). SteriPEN Limited Lifetime Warranty for Manufacturing Defects

- Tahoe Mountain Sports

On Sale. Free Shipping. SteriPen Classic with Pre-Filter Pack The Classic with Pre-Filter Pack by SteriPen is all that is needed when camping, hiking, backpacking or traveling. Use the 4 micron screen Pre-Filter to remove particulates from the water. Note, the Pre-Filter is designed to be stored directly on the wide mouth bottle. Ships with neoprene carry case and User's Guide. SPECIFICATIONS of the Classic with Pre-Filter Pack by SteriPen Product Dimensions: 7.6 L x 1.5 W x 1.5 H in. Product Weight: W/O Batteries: 3.3 oz Product Weight: Batteries: 5.7 oz Battery Type: AA (4) Package Dimensions: 8.0 L x 2.0 W x 9.0 H in. Pkg. Wt.: 12.5 oz Units/Case: 6 Case Dimensions: 15.5 L x 10.0 W x 11.25 H in. Case Wt.: 7.5 lbs Harmonized Code: 8421.21.0000

- Moosejaw

For those who already own a wide-mouth water bottle, SteriPEN offers the Classic with Pre-Filter Pack. The Classic with included Pre-Filter to strain debris is all that you need for purifying water when camping, hiking, backpacking or traveling. Ultra-violet (UV) lamp safely sterilizes water, destroys over 99.9% of bacteria, viruses and protozoan cysts, including Giardia, E. Coli and Cryptosporidium without altering the taste or pH of water and without added chemicals SteriPEN Classic is highly portable, easy to use, tapered shapes fits most bottles, including wide mouth SteriPEN Classic safety features include water sensors which permit operation only when lamp is immersed in water, UV light cannot permeate the surface of water or pass through containers made of glass, plastic, metal or ceramics Lighter weight and more compact than pumps Intuitive, simple to use, and easy to clean Micron screen Pre-Filter removes particulates and is designed to be stored directly on the wide mouth bottle To use: Remove the lamp cover, immerse the quartz-encased UV lamp, stir (auto-timed for 48 seconds), green light indicates when it's safe to drink the water Battery set will purify 200 half-liters of water 8,000 UV usages Uses four AA lithium batteries (not included) Includes Classic Water Purifier, Pre-Filter, neoprene carry case and user guide

- OMCgear

This simple and ultralight purifier provides safe drinking water with a minimum of work and preparation. The SteriPEN uses ultraviolet light to destroy viruses, bacteria and protozoa. This purification method leaves no chemicals and aftertaste in the water. It is a great choice for backpacking, hiking or traveling. Simply press the on/off button and dip the lamp end of the SteriPEN into the water you are treating. The lamp will automatically emit microbe-killing ultraviolet light. You can purify up to 32 oz. of water at a time. PRODUCT FEATURES: Included pre-filter removes particulates prior to purifying with the SteriPEN Classic Pre-filter consists of a durable nylon screen in a housing that screws onto wide mouth water bottles Uses ultraviolet light to kill all viruses, bacteria and protozoa in untreated water Simple, lightweight and rugged; ideal for backpackers or world travelers Purifier dimensions: 7 1/2 in x 1 1/2 in Simple, lightweight and rugged; ideal for backpackers or world travelers Purifier weight 5.7 oz. with lithium batteries Pre-filter weight 1.5 oz UV lamp will last for up to 8,000 treatments or the equivalent of three liters a day for seven years

- Appalachian Outdoors