SteriPen Classic 3 UV Water Purifier with Pre-Filter


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SteriPen Classic 3 UV Water Purifier with Pre-Filter


The Steripen Classic 3 UV Water Purifier with Pre-Filter is the best selling portable UV purifier of all time and has been trusted on mountains and trails for over 15 years. Since 1999, hundreds of thousands of people have ensured their drinking water is safe and avoided ruined adventures.

  • Ergonomic design w/ new easy-to-remove twist-off cap
  • Destroys over 99.9% of waterborne microorganisms that cause illness
  • Just press button to activate, place in water & stir
  • LED indicators flash to let you know when water is safe to drink
  • Enhanced LEDs indicate treatment size & status of batteries & lamp
  • Watertight, no more worries about dropping in a bottle or stream
  • Micron screen Pre-Filter fits perfectly on wide-mouth 1 liter water bottles
  • Can be powered by alkaline, lithium, or NiMH batteries (not included)
  • 3-year manufacturer limited warranty

Technical Specifications

Lamp Life8000 treatments
Treatment1 liter/90 seconds
Minimum Bottle Diameter0.8” (22 mm)
Filter CompatibilitySteriPen pre-filter (included)
Battery4 AA alkaline, lithium or rechargeable NiMH (not included)
Battery LifeAlkaline 50, Lithium 150, NiMH 100 (1 liter treatments)
Dimensions7.3” x 1.7” x 1.7” (18.5 x 4.3 x 4.3 cm)
Weight2.9 oz. (82.2 g)


  • SteriPEN Classic 3 water purifier
  • Pre-filter
  • Carrying case
  • User’s guide

Classic 3 User’s Guide


Warranty & Returns & Prop 65 Info

Easy Returns - Money Back Guarantee

Outdoorplay has a very consumer-focused new/unopened return policy. If you are not 100% satisfied with what you have purchased from Outdoorplay, return it within 60 days of purchase and take advantage of our amazing no-hassle money back guarantee. We'll refund you the product price on any returned item(s). You'll never regret your purchase with Outdoorplay. We've got you covered.

Note: We do not accept returns on used products. All returns must be in original packaging with original hang tags. Otherwise a restocking fee may apply.


All of the products we carry are from the top name brands in the industry and come with a full manufacturer warranty covering any and all product defects. If you have any questions about the warranty on a given product, give us a call at 1-800-994-4327.

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