Drinking Water Systems
Pro-4000RO Pure Water System

The PRO-4000RO is our highest recommended pure water system for achieving bottled water quality.
Water Doctors Custom Engineered PRO-4000RO Purifier uses Reverse Osmosis Technology to provide 99.999% pure drinking water right at your kitchen sink. The PRO-4000RO will supply your family with 1,500 gallons a month of odor and taste-free water, all for a fraction of the cost of bottled water.
Product Information
Product Specs
Resources
Product Specs
Custom Engineered to End User | Yes |
TDS Removal (Total Purity) | Up to 99% |
Heavy Metals Removal | Yes |
Taste & Odor Removal | Yes |
Sanitary Quick Change Filters | Yes |
Filter Life Expectancy | 12–18 Months |
Annual Filter Expense | $116 |
Warranty (when installed by Water Doctors) | 1 year parts (excluding filters) |
Standard Faucet Included | Bright Chrome |
Resources
Product Resources | |
---|---|
Product Spec Sheet | Product Spec Sheet |
Product Information
Product Specs
Resources
Product Specs
Custom Engineered to End User | Yes |
TDS Removal (Total Purity) | Up to 99% |
Heavy Metals Removal | Yes |
Taste & Odor Removal | Yes |
Sanitary Quick Change Filters | Yes |
Filter Life Expectancy | 12–18 Months |
Annual Filter Expense | $116 |
Warranty (when installed by Water Doctors) | 1 year parts (excluding filters) |
Standard Faucet Included | Bright Chrome |
Resources
Product Resources | |
---|---|
Product Spec Sheet | Product Spec Sheet |
Product Information
Product Spec Sheet | Product Spec Sheet |
Technical Specs | Technical Specs |
Don't forget the faucet!
Choose from modern and traditional styles as well as a large variety of finishes.


Our water experts are here to help you select the right solution for your home.
Don't forget the faucet!
Choose from modern and traditional styles as well as a large variety of finishes.
