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
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🪵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)
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🥥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)
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🪨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)
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