AO Smith High-Efficiency Reverse Osmosis
by A.O. Smith
A solid reverse osmosis system from an established manufacturer that effectively removes most contaminants including fluoride, heavy metals, and pharmaceuticals. The multi-stage filtration is thorough, though like all RO systems, it removes beneficial minerals and produces wastewater.
- Thin-film Composite RO Membrane – safe · Semi-permeable membrane that removes dissolved contaminants through reverse osmosis process.
- Carbon Block Filters – beneficial · Activated carbon removes chlorine, taste, odor, and some organic compounds.
- Polypropylene Housing – safe · Food-grade plastic housing that's generally inert and doesn't leach chemicals.
Removes 99%+ of contaminants including heavy metals, pharmaceuticals, and PFAS
NSF certified for safety and performance
Established brand with good reputation
Effective at removing chlorine taste and odor
Reduces cancer-causing contaminants
Removes beneficial minerals like calcium and magnesium
Produces significant wastewater (3-4 gallons waste per gallon filtered)
Ongoing filter replacement costs
Slower flow rate compared to other filter types
May require mineral supplementation for optimal health
About This Analysis
This health analysis for AO Smith High-Efficiency Reverse Osmosis was performed by Truelabel, an AI-powered food scanner that grades products from A (excellent) to F (failing) based on ingredient quality. The analysis covers seed oil content, ultra-processed ingredients, preservatives, artificial colors, allergens, and potential health risks including cancer risk, hormonal disruption, and gut irritation scores.
Category: Water Filter