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Waterdrop C1S Countertop CoreRO System
Water filter

Waterdrop C1S Countertop CoreRO System

by Waterdrop Filters

73
Filter score
out of 100
Counter12 months lifespan
View product
Lab Tested
Yes
Categories
15
Certifications
2
Technologies
1

Score breakdown

How this filter earned its 73/100.

  • Verified contaminant removal · 15 Of 15 Categories With Measured Removal42.9/70
  • Lab data indexed · Indexed15/15
  • Certified by a recognized body · NSF, IAPMO10/10
  • Filter technology disclosed · Reverse Osmosis5/5

Lab reports

Independent testing data backing this product's score.

Filtration technologies

Reverse Osmosis

Certifications

NSFIAPMO

Contaminant removal

  • Chemical Disinfectants99%
  • Fluoride97%
  • Heavy Metals70%
  • Haloacetic Acids30%
  • Trihalomethanes99%
  • Herbicides40%
  • Microplastics45%
  • Nanoplastics45%
  • Semi-Volatile Compounds40%
  • Volatile Organic Compounds (VOCs)40%
  • Pesticides40%
  • Perfluorinated Chemicals (PFAS)40%
  • Pharmaceuticals99%
  • Radiological Elements45%
  • Microbiologicals99%

Sources