HYDROGAUGE • AUDITED FIELD MATRIX
Under-Sink RO Filter & Contaminant Rejection Index
Laboratory-verified rejection percentages for PFAS, lead, fluoride, and heavy metals across multi-stage RO systems.
Central RO Separation Core
DOW Filmtec 75 GPD Thin Film Composite (TFC) Membrane
rejection rate:98.5% Dissolved Solids Rejection
micron rating:0.0001 Microns (Pore Size)
service life:24 to 36 Months
View Operational Protocol ›
Stage 1 Pre-Filter
5-Micron Melt-Blown Spun Sediment Filter
rejection rate:100% Particulate Capture (>5µm)
micron rating:5.0 Microns
service life:6 Months (3,000 Gallons)
View Operational Protocol ›
Stage 2 & 3 Chlorine & VOC Scavenger
Coconut Shell Activated Carbon Block (CTO)
rejection rate:99% Chlorine & Chemical Adsorption
micron rating:5.0 Microns Extruded Block
service life:6 to 12 Months (4,000 Gallons)
View Operational Protocol ›
Stage 5 pH Balancing Mineralizer
Calcite & Corosex Alkaline Remineralization Post-Filter
rejection rate:Enriches Permeate Water with Minerals
micron rating:Inline Granular Cartridge
service life:12 Months (1,500 Gallons)
View Operational Protocol ›