Essential Reverse Osmosis System
Our best-value under-sink reverse osmosis system for Iowa homeowners who want cleaner, better-tasting drinking water with professional installation included.
$799 Installed
Includes the G3P600 system and standard professional installation.

Professional installation included

Financing options available
A Practical, High-Quality RO System for Everyday Use
The Essential System is designed for homeowners who want a reliable reverse osmosis solution without overcomplicating the decision. Powered by the G3P600, this package offers strong filtration performance, a tankless under-sink design, smart faucet monitoring, and professional installation in one simple package.
It is the ideal starting point for households that want to reduce nitrates and improve the water used every day for drinking, cooking, coffee, pets, and more.
The Benefits

Best Value
A strong entry-level package for homeowners who want the benefits of reverse osmosis at the most accessible price point.

Nitrate Reduction
Independent testing cited by Waterdrop shows reverse osmosis filtration can reduce nitrate levels by up to 90%, helping Iowa homeowners address one of the state’s biggest drinking water concerns.

600 GPD Capacity
Designed to deliver filtered water quickly for everyday household use.

Tankless Design
Saves space under the sink compared to traditional tank-based reverse osmosis systems.

Smart Faucet Monitoring
The included smart faucet displays water quality and filter life information so homeowners know when filters need attention.

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 | Essential System |
|---|---|
| System Model | G3P600 |
| Package Positioning | Best Value |
| Payment Structure | 50% deposit at checkout, remaining balance due after installation |
| System Type | Tankless under-sink reverse osmosis |
| Capacity | 600 gallons per day |
| Filtration | 8-stage filtration |
| Filter Lifespan | CF 6 Mths, CB 12 Mths, G3P600-RO 24 Mths |
| Pure-to-Drain Ratio | 2:1 |
| Faucet | Smart faucet |
| Monitoring | TDS and filter life monitoring |
| Certifications | NSF/ANSI 42, 58, and 372 |
| Installation | Professional installation included |
| Best For | Everyday homeowners seeking a practical RO solution |
The G3p600is a 600 GPD tankless RO system with 8-stage filtration, a 2:1 pure-to-drain ratio, smart faucet monitoring, and NSF/ANSI 42, 58, and 372 certifications.
Designed to Reduce Common Drinking Water Contaminants
The G3P600 uses 8-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 G3P600 is designed to help reduce nitrates and other common drinking water contaminants, with independent testing showing nitrate reduction of up to 90%.
The G3P600 is designed to help reduce:
- Nitrates
- Total Dissolved Solids (TDS)
- PFAS
- Fluoride
- Chlorine
- Arsenic
- Lead
- Microplastics
- Bad taste and odor
- Other common drinking water contaminants
Cleaner drinking water from your dedicated faucet
Better-tasting water for drinking, cooking, and coffee
Less reliance on bottled water
A practical long-term solution for Iowa water concerns
Included With Your Essential System
The Essential System is offered at $799 installed and includes:
$799
installed
Complete system +
standard professional installation

G3P600 under-sink reverse osmosis system

Included Smart Faucet

Professional under-sink installation

Connection to existing cold-water line

Drain connection

System startup and leak testing

Basic customer walkthrough

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 Essential System Right for You?
The Essential System is a strong fit if you:
Essential
Choose Essential if:
- Want the most affordable professionally installed option
- Want a clean, modern tankless RO system
- Want smart monitoring without paying for the highest-tier system
- Have a moderate household drinking water demand
- Want a practical long-term alternative to bottled water or refrigerator filters
You may want to consider the Plus or Premium systems if you want higher flow capacity, stronger performance, or the most advanced features available in the lineup.
Simple Online Booking. Professional Installation.

Choose
Essential
Select the Essential 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 Essential System reduce nitrates?
Yes. The Essential System uses reverse osmosis filtration, and independent testing cited by Waterdrop indicates nitrate reduction of up to 90%. 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 Essential 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 G3P600 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 Essential 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 G3P600 filter lifespan as approximately 6 months for the CF filter, 12 months for the CB filter, and 24 months for the RO filter.
Is financing available?
Financing options may be available at checkout through a third-party provider.
Ready to Start With the Best-Value System?
Upgrade your drinking water with the Essential System, powered by the G3P600 and professionally installed in your home.