WAATR HydroCap UV Water Treatment System & Self-Cleaning Replacement Cap for wide-mouth bottles.



Fits Iron Flask, Hydro Flask, ThermoFlask, Simple Modern Takeya and other brands

  • DESIGNED FOR WIDE-MOUTH BOTTLES | Cap designed to fit Hydro Flask, Iron Flask, Simple Modern - Summit, MIRA, Takeya, Klean-Kanteen, FIFTY/FIFTY, Hydro-Cell, ThermoFlask, Gold Armour, etc. For sizes 12, 16, 18, 32, 40, 64, 128 oz (bottle mouth size 2.28” diameter). HydroCap uses BPA-Free and Phthalate-Free materials.
  • DUAL UV-C LEDS | Powered by patented spatially placed dual 20 mW UV-C LEDs.
  • UV WATER TREATMENT | In 3 minute “Pro Mode” treatment, HydroCap kills 99.999% of E.coli and 94% of NTM from water.
  • SELF CLEANS BOTTLE | Dual UV-C LEDs activate EVERY HOUR for 20 seconds to keep your bottle odor-free.
  • SMART SAFETY SENSOR | Prevents accidental eye exposure to UV-C. The bottle proximity detector deactivates the UV-C LEDs in 3 seconds once the HydroCap is detached from the bottle.
  • SMART HYDRATION REMINDERS | Intelligently reminds you to stay hydrated every 30 minutes throughout the day.
  • 10 YEAR WARRANTY | HydroCap is backed by our 10-year warranty against any defects in materials and/or workmanship.


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