Plus Reverse Osmosis System
Our best-selling under-sink reverse osmosis system for Iowa homeowners who want faster flow, stronger performance, and cleaner, better-tasting drinking water with professional installation included.
Includes the G3P800 system and standard professional installation.

Professional installation included

Financing options available
An Upgraded RO System for Everyday Family Use
The Plus System is designed for homeowners who want a stronger everyday reverse osmosis solution with upgraded performance and faster water flow. Powered by the G3P800, this package offers 10-stage filtration, a tankless under-sink design, smart faucet monitoring, strong water efficiency, and professional installation in one simple package. It is the ideal choice for households that want to reduce nitrates, improve everyday drinking water quality, and enjoy faster access to cleaner water for drinking, cooking, coffee, pets, and more.
The Benefits

Best Seller
A strong middle-tier package for homeowners who want the best balance of performance, convenience, and value.

Nitrate Reduction
Third-party lab testing cited by Waterdrop states that the G3P800 helps reduce salts such as nitrate and chloride, along with other common drinking water contaminants.

800 GPD Capacity
Designed for faster water flow and higher daily output than the Essential System, making it a strong fit for families and higher-use households.

10-Stage Filtration
The G3P800 uses 10-stage filtration to help reduce impurities and improve everyday drinking water quality.

Tankless Design
Saves space under the sink compared to traditional tank-based reverse osmosis systems while helping prevent secondary contamination.

Smart Faucet Monitoring
The included smart display faucet shows real-time TDS levels and filter status, helping homeowners monitor water quality and filter life.

Professional Installation Included
No DIY guesswork. The system is installed and tested by a technician.

Ongoing Filter Support
Future filter replacement and maintenance support can help customers keep the system running properly long term.
Key System Details
| Feature | Plus System |
|---|---|
| System Model | G3P800 |
| Package Positioning | Best Seller |
| Payment Structure | 50% deposit at checkout, remaining balance due after installation |
| System Type | Tankless under-sink reverse osmosis |
| Capacity | 800 gallons per day |
| Filtration | 10-stage filtration |
| Filter Lifespan | CF 6 Mths, CB 12 Mths, G3P800-RO 24 Mths |
| Pure-to-Drain Ratio | 3:1 |
| Faucet | Smart faucet |
| Monitoring | TDS and filter life monitoring |
| Certifications | NSF/ANSI 42, 53, 58, and 372 |
| Electricity Required | Yes |
| Installation | Professional installation included |
| Best For | Families and homeowners seeking stronger flow, performance, and everyday convenience |
The G3p800 is an 800 GPD tankless RO system with 10-stage filtration, a 3:1 pure-to-drain ratio, smart faucet monitoring, NSF/ANSI 42, 53, 58, and 372 certifications, and electricity required.
Designed to Reduce Common Drinking Water Contaminants
The G3P800 uses 10-stage reverse osmosis filtration to help improve drinking water directly at the point of use. For Iowa homeowners, nitrate reduction is one of the most important benefits. The G3P800 is designed to help reduce nitrates, chloride, PFAS, fluoride, heavy metals, and other common drinking water impurities.
The G3P600 is designed to help reduce:
- Nitrates
- Total Dissolved Solids (TDS)
- PFOA and PFOS
- Fluoride
- Chlorine
- Chromium
- Arsenic
- Bad taste and odor
- Lead
- Heavy metals
- Large particles
- Other common drinking water contaminants
Cleaner drinking water from your dedicated faucet
Faster flow for drinking, cooking, and coffee
Less reliance on bottled water
A practical long-term solution for Iowa water concerns
A practical long-term solution for Iowa water concerns
Included With Your Plus System
The Plus System is offered at $1,249 installed and includes:
$1,249
installed
Complete system +
standard professional installation

G3P800 under-sink reverse osmosis system

Standard included Waterdrop faucet

Professional under-sink installation

Connection to existing cold-water line

Drain connection

System startup and leak testing

Basic customer walkthrough

Ongoing filter replacement and maintenance support
Source
Standard installation applies to typical under-sink setups. If a non-standard condition is identified, such as an existing plumbing issue or missing required outlet, we will review the options with the customer before completing additional work.
Is the Plus System Right for You?
The Plus System is a strong fit if you:
Plus
Choose Plus if:
- Want the best balance of performance, value, and convenience
- Want faster water flow than the Essential System
- Have a family or higher daily drinking water demand
- Want a clean, modern tankless RO system
- Want smart monitoring and strong filtration performance
- Want a practical long-term alternative to bottled water or refrigerator filters
You may want to consider the Essential System if you want the most affordable installed option, or the Premium System if you want the highest-performance system in the lineup.
Simple Online Booking. Professional Installation.

Choose
Plus
Select the Plus System and complete checkout with a 50% deposit or financing.

Answer a Few
Install Questions
Provide basic information to help us prepare. Photos are optional and can be sent later if needed.

Confirm Your
Install Window
We review your order and send available installation times.

We Install and Test the System
A technician installs the system, checks for leaks, and walks you through the basics.

Enjoy Better Drinking Water
Use your dedicated faucet for drinking, cooking, coffee, pets, and everyday water needs.
FAQ
Does the Plus System reduce nitrates?
Yes. The Plus System uses reverse osmosis filtration, and third-party lab testing cited by Waterdrop states that the G3P800 helps reduce salts such as nitrate and chloride. Actual results may vary depending on incoming water quality, usage, and installation conditions.
Is installation included?
Yes. Professional under-sink installation is included with the Plus System package.
Do I pay the full amount upfront?
Standard checkout requires a 50% deposit to reserve your system and installation. The remaining balance is due after installation is complete. Financing options may also be available through a third-party provider.
Does this system require electricity?
Yes. The G3P800 is an electric tankless reverse osmosis system, so an outlet under the sink is needed.
Do I need to upload photos before checkout?
No. Photos are helpful, but optional. If needed, we can request photos after the order is placed.
What if I already have an RO system?
You can still purchase the Plus System. During checkout, we will ask whether an existing reverse osmosis system is currently installed so our technician can prepare accordingly. Existing RO system removal is available for an additional $75.
How often do filters need to be replaced?
Waterdrop lists the G3P800 filter lifespan as approximately 6 months for the CF filter, 12 months for the CB filter, and 24 months for the G3P800-RO filter.
Is financing available?
Financing options may be available at checkout through a third-party provider.
Ready to Choose the Best-Selling System?
Upgrade your drinking water with the Plus System, powered by the Waterdrop G3P800
and professionally installed in your home.