






Model WHAROS5
Three Stage Reverse Osmosis Under Sink Water Filtration System
Enjoy great-tasting, safer water in your home – for a fraction of the price of bottled water. This three-stage reverse osmosis under sink water filtration system reduces contaminants such as PFOA/PFOS (“Forever Chemicals”), chlorine taste and odor, lead, chemicals, dissolved solids, and more. Filter changes are easy! A built-in water shutoff mechanism means you don’t have to shut off your water, and the UltraEase encased design provides quick, mess-free changes. And it comes with an available lifetime warranty.
Contaminants Reduced
PFAS ("Forever Chemicals")
Bacteria & Virus
Chemicals
Lead
Dissolved Solids
Cysts
Chlorine Taste and Odor
Sediment & Microplastics
- Filters water for safer, better tasting drinking water
- Certified to reduce numerous contaminants, including chemicals, chlorine taste and odor, sediment, cysts, lead, and sediment.
- This is the only Whirlpool under sink system that reduces dissolved solids: the RO membrane removes >90% of dissolved solids, such as sodium, nitrates, arsenic, and heavy metals
- Uses Whirlpool UltraEase reverse osmosis replacement pre-filter/post-filter (WHEERF; 6-month filter life) and replacement membrane (WHEERM; 1-3 year filter life)
- Lifetime system warranty available
- Patented UltraEase connection allows for easy filter change with no hassle or mess
- Designed for use with municipal and private well water supplies
- Proudly designed, engineered, and assembled in the USA
- Certified by the National Sanitation Foundation (NSF)
- System includes the following: dedicated filtered water faucet, one pre-/post- filter set (WHEERF), one membrane (WHEERM), water storage tank, installation fittings, color coded tubing, and push-in connectors
Depth | 11 1/2 in. |
Width | 3 1/2 in. |
Height | 9 in. |
Dimensions are for planning purposes only.

Installation and Operation Manual
How to install, operate and maintain your UltraEase™ Reverse Osmosis Filtration System
View HerePerformance Data Sheet
DownloadWarranty
DownloadReverse Osmosis System Water Filter Installation Video

Why should I change my filter every 6 months
Extend Warranty