Seychelle Advanced Filter Drinking Straw - Portable Water Purifier MI455US Average indoor lighting ranges from

Average indoor lighting ranges from 100 to 1000 Lux and average outdoor sun lights about 50000 Lux

NIST Traceable: Certified against National Institute of Standards and Technology reference materials

Filters as you drink

Temperature Compensation: Automatic from -5 to 60°C (23 to 140°F)

Seychelle Advanced Filter Drinking Straw - Portable Water Purifier MI455US Average indoor lighting ranges fromIdeal for use as a replacement for bottle water Compact, lightweight and easy to use. Fits in your backpack or purse. Exclusive Ionic Adsorption Micro Filtration System Non BPA Leaching Plastics Filters made in the USA and tested both Nationally and Internationally. Designed to be used with freshwater lakes, rivers and streams. Not to be used with salt water. Filters up to 25 gallons Seychelle ADV Filters are tested to remove up to 99. 99% of the