Moen F9900 Moen 4-Stage Under Sink Reverse Osmosis Water Filtration System with 3.2 Gallon Storage Tank, 0.5 GPM - F9900
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Moen 4-Stage Under Sink Reverse Osmosis Water Filtration System with 3.2 Gallon Storage Tank, 0.5 GPM - F9900

SKU: 936283
$ 399.99 / ea
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About the Moen 4-Stage Under Sink Reverse Osmosis Water Filtration System with 3.2 Gallon Storage Tank, 0.5 GPM - F9900

Experience the purity of innovation with Moen’s reverse osmosis filtration system – where health meets hydration in every crystal-clear drop. 


Elevate your water experience with the Moen F9900 water filtration system, ensuring access to a continuous supply of clean and safe drinking water. Harnessing the power of advanced carbon block filter and reverse osmosis filter technology, this system is renowned for its versatility and efficiency in addressing a wide spectrum of water quality concerns. This four-stage filtration system enhances the taste, color, and clarity of your drinking water by reducing contaminants including arsenic, fluoride, TDS, bacteria, lead, mercury, chlorine, pharmaceuticals, and more in your cold water.


Speaking of four-stage filtration systems, they typically comprise four essential components to ensure thorough water purification. In the initial stage, a sediment pre-filter is employed to eliminate larger particles and impurities. Following this, a carbon block pre-membrane takes center stage in the second phase to eradicate chlorine and organic substances. The third stage involves the use of a semi-permeable membrane for the process of reverse osmosis, effectively removing contaminants. Lastly, a carbon block post-membrane filter in the fourth stage enhances taste and provides a final polish to the water, delivering a comprehensive and efficient water purification solution for clean and high-quality drinking water.


With a flow rate of 0.5 GPM and an included 3.2 gallon storage tank, the Moen F9900 reverse osmosis filtration system allows you to have a continuous supply of purified water even when water usage is intermittent. Aside from that, you’ll also have no worries with wastewater when using this filtration system thanks to its 1:1 ratio with a high recovery membrane. For added convenience, this system, when paired with the separately sold air gap 105895 and adapter kit 262579, is compatible with SIP beverage faucets. Make the smart choice with Moen and secure your peace of mind for a lifetime with their exclusive limited warranty. Invest in the Moen F9900 four-stage advanced water filtration system today at an affordable price, exclusively available at PlumbersStock.


Got spare time? You might want to check out our wide variety of beverage faucets that can go with this filtration system. Additionally, dive into our informative blog about Moen's Reverse Osmosis Water Filtration Systems to deepen your understanding of water filtration technology.

Manufacturer: Moen
Product: Reverse Osmosis Unit
Type: Filtration
Height: 15-1/2"
Width: 15-5/8 in
Flow Rate: 0.5 Gallon Per Minute
Pressure Rating: 40-100 PSI
Temperature Rating: 40-100°F (4-38°C)
Capacity: 3.2 Gallons
Other Info: NSF certified
  CSA Certified
Connection Type: Push-Fit
Installation Location: Indoor
Room: Kitchen
Mpn # F9900
Shipping Dimensions 17.3" x 16.5" x 14.7"
Weight 19.60 lbs.
Shipping Dimensional Weight 23.79 lbs.
  • Turn Every Sip Into a Truly Enjoyable Moment! This water filtration system goes beyond mere contamination reduction in your drinking water; it transcends traditional purification methods to enhance your overall drinking experience, elevating the taste, color, and clarity of your water to a new level of purity and satisfaction.
  • Redefining Filtration: This advanced water filtration system not only directs water through a carbon block but also employs a rigorous reverse osmosis process. The result is a pinnacle of top-tier water purification, establishing a groundbreaking standard for water that is not just clean but also possesses a crisp and refreshing quality, redefining the essence of hydration.
  • Ensure a Sustainable and Eco-friendly Water Solution. Harnessing an unparalleled 1:1 ratio, this system incorporates a high-recovery reverse osmosis membrane, skillfully minimizing wastewater production while maximizing overall efficiency. This design not only ensures responsible water usage but also optimizes the system's performance, setting a new standard for sustainability and effectiveness in water filtration technology.
  • Enjoy Flow On Demand: Boasting an impressive daily production rate of 27.5 gallons, this filtration system is dedicated to surpassing your daily drinking requirements. It exemplifies the pinnacle of reliability and efficiency, ensuring an uninterrupted supply of pure and refreshing water.
  • Swift Connections, No Hassle! Featuring convenient 1/4-inch and 3/8-inch push-to-connect fittings, this system eliminates the concern for specialized tools during installation. Enjoy a hassle-free setup as these user-friendly fittings ensure a seamless connection, saving you time and effort in the process.
  • Universal Appeal: It effortlessly integrates with a diverse range of Moen faucets, including but not limited to F7600, F7620, F7660 beverage faucets, as well as F87627, F5923, F9126, FS7235, FS72003, and FS73004 series pulldown faucets (requires air gap 105895 series and adapter kit 262579). Enjoy the flexibility of seamless compatibility with a variety of Moen models, ensuring a perfect fit for your specific faucet preferences.
  • Inclusion: This 4-stage water filtration system comes with a 3.2 gallon storage tank that measures 15-1/2in (H) and 11-1/4in (W)

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