Compatibility check
Is This System Right for You?
The ProLine QC® is a tankless reverse osmosis system designed for everyday drinking water performance.
Best for
- Under-sink drinking water filtration
- Tankless reverse osmosis performance
- Homes wanting clean, great-tasting water
Good to know
- Designed for everyday drinking water use
- Replacement filters are available when needed
- Contact us if you are unsure about installation
Have installation questions?
Send us a message and we’ll help confirm whether the ProLine QC® system is the right fit for your setup.
Contact UsBuying guide
How the ProLine QC® System Works
A simple overview of how this tankless reverse osmosis system supports everyday drinking water.
Filters Incoming Water
The system helps reduce unwanted particles and impurities before water reaches your faucet.
Tankless RO Performance
Designed to produce reverse osmosis drinking water without relying on a bulky storage tank.
Clean Water On Demand
Built for everyday drinking, cooking, coffee, tea, and home water use.
Have questions about installation or replacement filters? Contact us and we’ll help confirm the right setup.
Contact UsProduct details
What’s Included With Your ProLine QC® System
Everything you need to get started with tankless reverse osmosis drinking water filtration.
What’s Included
- ProLine QC® tankless RO system
- Filter cartridges
- Installation hardware
- Faucet / connection components
- User setup materials
Why Customers Choose It
- Tankless under-sink design
- 400 GPD reverse osmosis performance
- Clean, great-tasting drinking water
- Space-saving setup
- Replacement filters available when needed
Have questions about setup or replacement filters? Contact us and we’ll help confirm the right option for your home.
Contact UsMaintenance guide
Easy Maintenance Over Time
The ProLine QC® system is designed for everyday drinking water use with replacement filters available when needed.
Use Daily
Designed for everyday drinking water, cooking, coffee, tea, and general home use.
Replace Filters When Needed
Replacement filters are available to help maintain system performance over time.
Keep Performance Consistent
Replace filters if you notice changes in taste, odor, flow rate, or overall water performance.
Have questions about installation or replacement filters? Contact us and we’ll help confirm the right setup.
FAQs
ProLine QC® System FAQs
Helpful answers about the ProLine QC® tankless reverse osmosis system.
Is the ProLine QC® system tankless? +
Yes. The ProLine QC® is designed as a tankless reverse osmosis system, so it does not rely on a bulky storage tank.
Does the system include filters? +
The system includes the core components needed to get started. Review the included items above, and contact us if you want to confirm exactly what comes with your order.
Where does the system install? +
The ProLine QC® is designed for under-sink drinking water filtration. Make sure you have suitable space and setup before ordering.
Can I buy replacement filters later? +
Yes. Replacement filters are available for ongoing maintenance so you can keep the system performing properly over time.
What if I have installation questions? +
Contact us before ordering and we can help confirm whether the ProLine QC® system is the right fit for your setup.
Contact us with your system model or a photo of your setup and we’ll help confirm the right product.
Customer confidence
Trusted by Customers Maintaining Their ProLine® Systems
From choosing the right kit to keeping systems running smoothly, Stratus helps make ProLine® filter replacement simple.
“The ProLine QC® system was compact, clean-looking, and made a noticeable difference in taste right away.”
“It was easy to find the correct QC® filters and refresh the system without overthinking which cartridges I needed.”
“The guide made it clear that my EZ-450 needed the 4-stage kit. Much easier than buying filters one by one.”
“Having the full 5-stage kit together made replacement simple. I knew I had the right filters before ordering.”
“I sent a quick photo of my system and Stratus helped confirm the correct replacement kit before I bought.”
“The product page was clear, shipping was quick, and replacing the filters was straightforward.”
Expert support
Need Help Choosing the Right Filter?
Not sure which ProLine system you have? Send us a photo of your current unit and we’ll help confirm the correct replacement kit before you order.
Contact UsSend a Photo
Share a quick photo of your current system or existing filters.
We Confirm the Match
We’ll help identify whether you need QC filters, a 4-stage kit, or a 5-stage kit.
Order With Confidence
Get the right replacement kit the first time and avoid confusion.
