Ispring 7-Stage Reverse Osmosis RO Drinking Water Filter System Under Sink

About

The water from sink will undergo a 7-stage filtration and purification process to remove contaminants. The model is certified NSF/ANSI 58. The initial process is sediments filtration where dirts are removed. The cartridge is estimated to be changed every 6 months. Next process is the granulated carbon filter to further remove contaminants. It is advise to replace every 6 months. The thirs step is the filter to remove Chlorine, Taste and Odor and the filter is expected to be replaced every 6 months. The 4th stage is the Reverse Osmosis Process where the membrane is to be replaced every 2 to 3 years. The RO-Membrane is capable of removing contaminants down to 0.001 microns. The 5th stage is a fine carbon filter to further remove odor from the tank. Filter is changed every 12 months. The next stage is the addition of alkaline and minerals and the filter is replaced every 6 months. The final stage is a UV lamp to disinfect your final drinking water. Bulb replacement is every 1 to 3 years.

Score breakdown

How this filter earned its 44/100.

• Verified contaminant removal · 15 Of 15 Categories With Measured Removal28.5/70
• Lab data indexed · Not Indexed0/15
• Certified by a recognized body · NSF10/10
• Filter technology disclosed · Reverse Osmosis, Activated Carbon, Polypropylene (PP), Remineralization, Post Carbon, Sediment5/5

Filtration technologies

Certifications

Contaminant removal

• Chemical Disinfectants30%
• Fluoride45%
• Heavy Metals45%
• Haloacetic Acids30%
• Trihalomethanes30%
• Herbicides40%
• Microplastics45%
• Nanoplastics45%
• Semi-Volatile Compounds40%
• Volatile Organic Compounds (VOCs)45%
• Pesticides40%
• Perfluorinated Chemicals (PFAS)40%
• Pharmaceuticals40%
• Radiological Elements45%
• Microbiologicals45%