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Good for you, good for the planet


Sale price£24.99

Turn your favourite  bottle into a water purifier with the Worlds First Purifier Sports Cap for Stainless Steel Water Bottles


Use your PURE Cap to save plastic waste - Designed for you, designed for the planet


  • For use with treated municipal tap water worldwide
  • Simply use the purifying cap on your stainless steel vacuum water bottle in place of your existing one
  • Water purifier removes chemicals including chlorine from tap water
  • Replacement miniaturised purifiers available here
  • Compatible with most brands of stainless steel 500 & 350ml vacuum bottles including S'well, Chilly's (Original, not MK ll), Qwetch, Grsta, Ecology, King Do Way, and Moon

The perfect travel companion

Military grade water purification anywhere, anytime with the PURE CAP.

Shop the PURE CAP

Hygienic, no leak cover, with a push button opening. Convenient and safe hydration on the go... anywhere.

Fits most stainless steel bottles from leading brands including the PURE BOTTLE, S'well™ and Chilly's™

Replacement miniaturised purifiers available. Good for you, good for the planet.

200 litre life span - that's 4.5 500ml bottles a day for 3 months, no more plastic waste in landfill and oceans.

Independent laboratory tested - removes microplastics, bacteria, and viruses.

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proven reduction of more than 100 contaminants


Drinking water technology innovators since 1994.


Proven world class water purification technology.


Reducing the waste of single use plastic.

BPA free

Designed using the best BPA free materials.