Backed by a 30-day no-questions-asked return policy on unopened products

and ease of use

Calibration: Calibrate periodically using standard calibration solution for continued accuracy

Double Junction: Withstands challenging samples including fertilizers

Power source: 4 x 1

NU Aqua 600GPD Tankless Reverse Osmosis System - 2:1 Efficiency Under Sink Water Filter replacement cartridge set Backed by a 30-day no-questions-asked600GPD Tankless System 1 2 Stages PP + CB (Polypropylene) Sediment Filter and Carbon Block Removes: dirt sand dust rust debris chlorine VOCs pesticides Taste Odor 3 Stage Reverse Osmosis Membrane 600GPD Membrane Removes: Salts Organic Matter Heavy Metals Fluoride Nitrates Chlorine Copper Chromium Lead Arsenic Radium Sulfate Calcium Magnesium Phosphorus No plumber needed, easy installation! Enjoy clean drinking water at home without being a plumbing