Ensure your drinking water is pure and refreshing with the Aquasana OptimH2O RO Membrane Replacement AQ-RO3-RO Stage 2. Designed specifically for compatibility with the Aquasana AQ-RO3 system, this genuine OEM replacement filter is certified by NSF, ensuring it adheres to strict water quality standards.

The white Aquasana filter is tailored for household use, simplifying your water filtration process with a reverse osmosis filtration method. The package includes one unit, making it easy to install and replace as part of your regular maintenance routine. Keep your water clean and clear with this reliable and high-quality filter.