All marketsPremium residential reverse-osmosis systemsAquasana
Aquasana · AQ-SFRO2-BN / 100385794
SmartFlow Reverse Osmosis
AQ-SFRO2-BN complete four-stage SmartFlow train with carbon, RO membrane, Claryum carbon/ion exchange, remineralizer, small tank and brushed-nickel dedicated faucet.
Market statusCurrent certified certified remineralizing tank under-sink roChecked Aug 18
Reference price$214.99 observed direct sale; $479.99 MSRPcomplete brushed-nickel faucet configuration, not no-faucet SKU
Next full checkAug 25, 2026Price checks run sooner
01
Ready to buy
Confirm the exact complete system
$214.99 observed direct sale; $479.99 MSRP. Confirm the exact model, included faucet, tank or carafe, cartridges, certification record, current checkout or dealer price, install path and one full replacement cycle before paying.
Buying stageMarket familiarity
02
Current market
The facts that change the ownership choice
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
QuestionCurrent answerFreshnessBasis
Current price
$214.99 observed direct sale; $479.99 MSRP
Observed for the exact retained configuration. Promotion, dealer labor, tax, delivery, permits, faucet drilling, pretreatment and replacement filters can change total installed cost.
Refresh due soonDirect source1 evidence item
System branch
Certified remineralizing tank under-sink RO
Checked 6 days agoDirect source2 evidence items
Exact complete configuration
AQ-SFRO2-BN complete four-stage SmartFlow train with carbon, RO membrane, Claryum carbon/ion exchange, remineralizer, small tank and brushed-nickel dedicated faucet
Checked 6 days agoDirect source2 evidence items
Exact certification claim
WQA certifies AQ-SFRO2 to NSF/ANSI 42, 53 including P473 claims, 58, 401 and CSA B483.1; current listings also identify lead-content compliance
Checked 6 days agoDirect source3 evidence items
Certified reduction conditions
The exact performance sheet governs its 90-substance set, influent concentrations and 365-gallon conditions. Restored minerals and pH are not certified health benefits
Checked 6 days agoOur synthesis3 evidence items
Production and usable flow
51.4 GPD membrane rating, 25.7 GPD system production and published 0.7 gpm stored faucet flow under stated pressure and temperature
Checked 6 days agoOur synthesis3 evidence items
Recovery and reject water
The performance sheet reports 27.4% efficiency and 42.8% recovery under its test conditions, not universal household drain ratios
Checked 6 days agoOur synthesis3 evidence items
Water-test and feed-water boundary
Test before choosing claims and confirm 40 to 80 psi, temperature and potable-feed boundaries. Hardness, iron and microbial risk may require separate treatment
Checked 6 days agoOur synthesis4 evidence items
Installation and code boundary
Requires cutting into cold water, a drain, tank, dedicated faucet, flushing and leak-safe cabinet placement. The manual makes owner or installer responsible for permits and applicable plumbing and building codes
Checked 6 days agoOur synthesis2 evidence items
Maintenance and lifespan boundary
Carbon/Claryum and remineralizer are about six months or 250 gallons, membrane about 12 months under stated use; genuine certified cartridges, sanitation and paired-water checks preserve the evidence path
Checked 6 days agoOur synthesis3 evidence items
Manual, warranty and service
Aquasana supplies the exact 2025 manual, performance sheet, replacements, U.S. phone support, direct guarantee and warranty with installation and water-damage exclusions
Checked 6 days agoDirect source2 evidence items
No universal outcome guarantee
No point-of-use RO system universally guarantees potable water, a health outcome, removal of an unlisted contaminant, faucet flow, recovery, filter or membrane lifespan, microbiological safety, leak prevention, or compliance with plumbing, electrical, building, landlord or permit rules. Exact certification claims apply only to the named system, cartridge train, capacity, challenge concentration, pressure, temperature and other performance-sheet conditions.
Checked 6 days agoOur synthesis4 evidence items
Current verdict
The broadest-certification sale value when the household
The broadest-certification sale value when the household accepts frequent proprietary service and verifies the volatile direct price.
Checked 6 days agoOur synthesis11 evidence items
03
Other paths
The alternatives change what the SmartFlow Reverse Osmosis is worth
These are not generic competitors. Each one represents a different way to buy into the same market.
01ownership
Brondell
Capella
$269.99 current direct U.S. price
Best fit
High-efficiency tank under-sink RO
Tradeoff
The strongest efficiency-and-certification value among defended tank systems if proprietary cartridges and smaller storage suit the household
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
notable
Exact current system, price, certification and service path retained
SmartFlow Reverse Osmosis was checked as a complete current U.S. system against manufacturer identity and support, exact configuration and price, bounded certification, independent evidence, owner reports and two defended alternatives.
Price record
The price history starts here
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
$214.99 observed direct sale; $479.99 MSRP
Current reference priceA structured timeline will begin with the next source capture
05
Owner experience
What repeats after the purchase
Owner evidence is useful for sale volatility, installation, replacement frequency, storage flow, remineralized taste and warranty service, not for universal treatment outcomes.
Reports are self-selected and come from different municipal or well-water chemistry, pressures, temperatures, pretreatment, plumbing, electrical service, installation quality, demand, cartridge age, sanitation, local codes and seller support. They identify checks to run but cannot establish potability, certified reduction, health effects, recovery, flow, lifespan, leak or failure rates.
SignalWhat owners reportOur readEvidence
sale volatility, installation, replacement frequency, storage flow, remineralized taste and warranty service
Exact-model owners discuss installation, sale pricing, flow, replacement cadence, leaks, taste and support. Reports are self-selected, mix source-water and installation conditions, and do not establish contaminant-reduction, reliability or health-outcome rates.
Test the source and product water, inspect the exact installation and complete one genuine-filter service cycle before treating an owner's result as transferable.
1 evidence record
06
Sources
Why we believe the current view
The page separates what a source states directly from what we conclude across sources.
Aquasana identifies AQ-SFRO2-BN / 100385794 as AQ-SFRO2-BN complete four-stage SmartFlow train with carbon, RO membrane, Claryum carbon/ion exchange, remineralizer, small tank and brushed-nickel dedicated faucet.
SmartFlow Reverse Osmosis exact manual, support and serviceAquasana · specification
Test before choosing claims and confirm 40 to 80 psi, temperature and potable-feed boundaries. Hardness, iron and microbial risk may require separate treatment Requires cutting into cold water, a drain, tank, dedicated faucet, flushing and leak-safe cabinet placement. The manual makes owner or installer responsible for permits and applicable plumbing and building codes Carbon/Claryum and remineralizer are about six months or 250 gallons, membrane about 12 months under stated use; genuine certified cartridges, sanitation and paired-water checks preserve the evidence path Aquasana supplies the exact 2025 manual, performance sheet, replacements, U.S. phone support, direct guarantee and warranty with installation and water-damage exclusions
SmartFlow Reverse Osmosis exact certification and performance boundaryAquasana · specification
WQA certifies AQ-SFRO2 to NSF/ANSI 42, 53 including P473 claims, 58, 401 and CSA B483.1; current listings also identify lead-content compliance The exact performance sheet governs its 90-substance set, influent concentrations and 365-gallon conditions. Restored minerals and pH are not certified health benefits
NSF/ANSI 58 scope for point-of-use RO systemsNSF · specification
NSF explains that Standard 58 covers POU RO materials, structural integrity, TDS reduction, efficiency, recovery, information and separately optional named reduction claims; certification does not mean every optional substance was tested.
Home drinking-water filtration fact sheetU.S. Environmental Protection Agency · specification
EPA directs households to know what is in their water, choose a treatment certified for the target and maintain it; no single treatment removes every contaminant.
Exact-model owners discuss installation, sale pricing, flow, replacement cadence, leaks, taste and support. Reports are self-selected, mix source-water and installation conditions, and do not establish contaminant-reduction, reliability or health-outcome rates.
This desk deliberately narrows premium residential water filtration and treatment to complete, current U.S.-market point-of-use reverse-osmosis drinking-water systems with bounded exact certification records. It compares under-sink tank, under-sink tankless and powered countertop systems only by preserving their different installation, batch, stored-flow, electrical and wastewater branches. It excludes whole-home softeners, whole-home carbon or specialty media, ultraviolet-only disinfectors, acid neutralizers, iron and sulfur systems, pitchers, faucet gadgets, refrigerator filters, replacement cartridges, add-on stages, unsupported marketplace systems, cosmetic finishes and minor package variants. A water test determines the treatment problem. NSF/ANSI 58 always includes RO-system material, integrity, TDS and information requirements, while optional contaminant reductions apply only when named in the exact current listing and performance sheet. NSF/ANSI/CAN 372 is a lead-content standard, not lead reduction. Tested to a standard is not certified to it. Countertop and tankless electronics do not diagnose contaminants. No system universally guarantees potability, health, contaminant removal, flow, recovery, lifespan, leak prevention, microbiological safety or code compliance. Well water, unknown-quality water, arsenic speciation, PFAS, microbial hazards, hardness, iron, manganese, sulfur, high TDS and local plumbing or electrical requirements can require laboratory testing, pretreatment, disinfection and a qualified professional.