About this item

• 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.

Aquasana SmartFlow™ Reverse Osmosis Membrane Replacement

Compatible with Aquasana SmartFlow™ Reverse Osmosis Systems (Model numbers starting with AQ-SFRO)

The SmartFlow™ Reverse Osmosis features a multi-stage filtration process to ensure maximum contaminant removal. This replacement, AQ-SFRO-S2, includes Stage 2 only.
Stage 2: SmartFlow™ Membrane: Ultra-efficient, patented SmartFlow™ membrane technology reduces fluoride, nitrates, nitrites, arsenic, PFOA/PFOS, and more.

For Stage 1 and Stage 3 carbon block replacements, please use AQ-SFRO-S1S3

For Stage 4 remineralizer replacement, please use AQ-SFRO-REMIN

These replacement cartridges are not compatible with Aquasana OptimH2O Reverse Osmosis systems (Model numbers starting with AQ-RO-3).