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Grayl UltraPress® Purifier
Water bottle filter

Grayl UltraPress® Purifier

by Grayl

67
Filter score
out of 100
Bottle40 gallons lifespan
View product
Lab Tested
Yes
Categories
15
Certifications
1
Technologies
1

About

The UltraPress Water Purification System is a compact, easy-to-use device that provides clean, safe drinking water in just 10 seconds, making it ideal for travelers and adventurers. Its advanced filtration technology removes waterborne pathogens, particulates, and harmful chemicals, while its durable, ergonomic design ensures reliable performance in harsh environments. With a replaceable cartridge rated for 300 cycles, it’s a long-lasting solution for purified water on the go.

Score breakdown

How this filter earned its 67/100.

  • Verified contaminant removal · 15 Of 15 Categories With Measured Removal36.5/70
  • Lab data indexed · Indexed15/15
  • Certified by a recognized body · NSF10/10
  • Filter technology disclosed · Activated Carbon5/5

Lab reports

Independent testing data backing this product's score.

Filtration technologies

Activated Carbon

Certifications

NSF

Contaminant removal

  • Chemical Disinfectants30%
  • Fluoride12.5%
  • Heavy Metals84%
  • Haloacetic Acids30%
  • Trihalomethanes93%
  • Herbicides30%
  • Microplastics99%
  • Nanoplastics12.5%
  • Semi-Volatile Compounds40%
  • Volatile Organic Compounds (VOCs)92%
  • Pesticides30%
  • Perfluorinated Chemicals (PFAS)30%
  • Pharmaceuticals30%
  • Radiological Elements12.5%
  • Microbiologicals99%

Sources