Aquasana SmartFlow Stage 2 membrane close-up for replacement
Installing the Aquasana Stage 2 membrane in a compatible SmartFlow system
Compact membrane pack ready for a quick stage-2 swap
SmartFlow system certified to NSF/ANSI standards for trusted filtration
Replacement membrane with 1-year warranty and Aquasana support

Aquasana

Aquasana SmartFlow Stage 2 RO Membrane Replacement – AQ-SFRO-S2 | 1 Year Life

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$87.92

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Why customers choose TaskHolt Tools

Overview

Upgrade your Aquasana SmartFlow Reverse Osmosis setup with the Stage 2 membrane replacement (AQ-SFRO-S2). This component is designed for compatibility with SmartFlow RO systems and focuses on maintaining efficient filtration performance between full cartridge changes. It’s sold as a replacement membrane only and is not compatible with OptimH2O models.

What’s Included

  • Stage 2: SmartFlow membrane replacement for compatible Aquasana RO systems
  • Fits models AQ-SFRO-NF, AQ-SFRO-CHR, AQ-SFRO-BN, AQ-SFRO-ORB, and AQ-SFRO-MB
  • Replacement membrane only; 1-year limited warranty
  • Aquasana support available at 866-662-6885 for assistance

Performance and Certification

  • Patented SmartFlow technology aims to deliver higher relative water purity with reduced water waste and longer overall filter life
  • Stage 2 membrane targets common contaminants common to RO systems, including fluoride, nitrates, nitrites, arsenic, PFOA/PFOS, and other dissolved solids
  • System has been evaluated by third-party standards bodies and reflects compliance with applicable water treatment guidelines

Why consider this Stage 2 membrane

Depending on your water profile and system setup, replacing the Stage 2 membrane can help maintain filtration efficiency between annual maintenance cycles. The replacement is designed for straightforward swaps—twist out the spent membrane and install the new one to minimize downtime in day-to-day use.

Compatibility & Support

Important compatibility note: this membrane is not intended for Aquasana OptimH2O RO systems (models starting with AQ-RO-3). If you’re unsure which part fits your system, consult your model number and reach out to Aquasana support for guidance.

What you can expect

  • Continued filtration performance with a targeted Stage 2 membrane replacement
  • Clear guidance for installation and warranty support from Aquasana
  • Reliance on certified, genuine Aquasana replacement parts for ongoing contaminant control

FAQ

Q: Is the Stage 2 membrane compatible with all Aquasana SmartFlow models?

A: This Stage 2 membrane fits SmartFlow RO systems AQ-SFRO-NF, -CHR, -BN, -ORB, and -MB, not OptimH2O models.

Q: How long does the Stage 2 membrane last?

A: It is designed for about one year of typical use.

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