Aquasana SmartFlow™ Reverse Osmosis Water Filter Stage 2 Reverse Osmosis Membrane Replacement Lasts 1 Year - Not Compatible with OptimH2O - Replacement only
Aquasana SmartFlow™ Reverse Osmosis Water Filter Stage 2 Reverse Osmosis Membrane Replacement Lasts 1 Year - Not Compatible with OptimH2O - Replacement only
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About This
- Genuine Aquasana stage 2 replacement reverse osmosis membrane for SmartFlow Reverse Osmosis Water Filter Systems including the following models: AQ-SFRO-NF, AQ-SFRO-CHR, AQ-SFRO-BN, AQ-SFRO-ORB, and AQ-SFRO-MB. Not compatible with OptimH2O systems.
- Easy Filter Replacements - Simply twist out the used cartridge and replace it with an Aquasana replacement filter for continued contaminant removal. Use only certified, genuine Aquasana replacements. Lasts 1 year.
- Patented SmartFlow technology provides more pure water, less water waste, and longer filter life. Our ultra-efficient reverse osmosis membrane technology reduces fluoride, nitrates, nitrites, arsenic, PFOA, PFOS, dissolved solids, and more.
- System tested and certified by WQA to NSF/ANSI Standards 42, 53, 58, 401, and CSA B483.1. Under counter filtration of up to 99.99% of fluoride, chromium+6, TDS, microplastics, PFOA, PFOS, asbestos, mercury, arsenic, chlorine, pharmaceuticals, and lead.
- Includes replacement membrane only with a 1-year limited warranty. Aquasana phone support and service is available at 866-662-6885.
Overview
- Material : Carbon Fiber
- Product Dimensions : 12"D x 3"W x 3"H
- Item Weight : 0.84 Kilograms
- External Testing Certification : WQA
- Product Benefits : Provides more pure water, less water waste, and longer filter life

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
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See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
FAQ
Water Filtration & Home Water Guide