Water, engineered for the modern home.
Premium whole-home systems designed to help prevent scale buildup, reduce chlorine, and protect plumbing and appliances — no salt, no electricity, no back flushing.
- Scale prevention + whole-home filtration in one system
- Clean, great-tasting water from every tap
- Simple maintenance and long-term home protection
Answer a few quick questions.
This guided selector narrows the Aquios lineup based on home size, bathrooms, household size, water source, contaminants, and system preference.
This selector is intended as a starting point. Final recommendations may vary based on plumbing, local water quality, and installation requirements.
Whole-home water protection, simplified.
Aquios systems combine salt-free scale prevention, carbon filtration, and simple cartridge-based maintenance in one streamlined home solution.
Improve your water
Help reduce chlorine taste and odor while supporting cleaner, better-tasting water throughout the home from every tap.
Protect your home
Help reduce scale effects on plumbing, fixtures, and appliances without traditional salt-based softening or electricity.
Keep it simple
No salt, no electricity, no wastewater cycles — just simple whole-home water protection with easy cartridge changes.
Cleaner water starts with targeted contaminant reduction.
Beyond hardness, many homes benefit from filtration designed to address taste, odor, and specific water-quality concerns at every tap.
Hard water quietly impacts your entire home.
Scale buildup can affect fixtures, showers, dishwashers, water heaters, and appliances. Aquios® systems help minimize those effects while improving everyday water quality.
Choose your Aquios® system
Six configurations. Two home sizes. One clear decision.
One
Whole-home scale prevention and filtration, simply done.
- Single-stage system
- Scale prevention + chlorine reduction
- Low maintenance
Duo
Two-stage protection for enhanced whole-home filtration.
- Dual-stage system
- Deeper filtration for city water
- PFAS & hydrogen sulfide capable
Apex
The flagship Aquios system. Nothing left behind.
- Three-stage system
- Fluoride & heavy metal removal
- Maximum whole-home filtration
One XL
The same proven One system scaled for larger homes.
- Jumbo single-stage system
- Higher flow rate — up to 15 GPM
- Low maintenance
Duo XL
Dual-stage performance scaled for larger, higher-demand homes.
- Jumbo dual-stage system
- Higher flow rate — up to 18 GPM
- PFAS & hydrogen sulfide capable
Apex XL
Maximum filtration for large homes and high-demand households.
- Jumbo three-stage system
- Fluoride & heavy metal removal
- Highest filtration depth available
Purchase with confidence
Every Aquios® system is backed by industry-leading guarantees so you can buy with complete peace of mind.
10-Year Warranty
Industry-leading protection on every system. We stand behind our quality.
Learn more →30-Day Money-Back
Try it risk-free for 30 days. Not satisfied? Return for a full refund.
Learn more →Simple Installation
No electricity, no drain line, no backflushing. DIY-friendly with expert support available.
Learn more →Compare Aquios® systems
Every system is available in Standard and XL for larger homes. Compare filtration depth to find your fit.
| Feature |
One
Single-stage
|
Most Popular
Duo
Dual-stage
|
Apex
Three-stage
|
|---|---|---|---|
| Available sizes | Standard & XL | Standard & XL | Standard & XL |
| Starting price | $419 $609 | $569 $799 | $749 $999 |
| XL starting price | $569 $809 | $1,299 $1,699 | $1,799 $2,499 |
| Best for | Everyday whole-home protection | Enhanced filtration for most homes | Maximum filtration, nothing left behind |
| System stages | 1 | 2 | 3 |
| Scale prevention | ● | ● | ● |
| Sediment removal | ● | ● | ● |
| Chlorine removal | ● | ● | ● |
| Chloramine removal | ● | ● | ● |
| VOC removal | ● | ● | ● |
| Hydrogen sulfide removal | — | ● | ● |
| PFAS removal | — | ● | ● |
| Fluoride removal | — | — | ● |
| Heavy metal removal | — | — | ● |
| Filtration depth | Standard | Higher | Highest |
What Aquios® homeowners are saying
Real customers. Verified results. Better water and simpler maintenance.
The water feels cleaner, and we noticed a difference right away throughout the house. No more chalky residue on our fixtures.
Installation was straightforward and the system has been very easy to maintain. Couldn’t believe how simple it was.
We wanted a whole-home solution without the salt and maintenance hassle. Aquios has been a great fit for our family.
