Pentair Freshpoint GRO-350B 3-Stage Under-Sink Quick-Change Reverse Osmosis Filter System (#161110)
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Effortless filter replacements without even turning the water off! No splash, no spray, and no mess!
- Description
- Specifications
- Replacement Filters
- Similar Systems
- Installation / Manuals
- Reviews
- FAQ
Description, Features & Benefits
Reverse osmosis (RO) is one of the most effective ways to filter water. It’s a powerful water treatment technology that can remove a wide range of contaminants, producing drinking water that tastes just as good as—or even better than—bottled water for a fraction of the price. Better yet, unlike bottled water, which has been found to contain measurable amounts of microplastics, reverse osmosis systems are designed to filter out microplastics, along with heavy metals, harmful chemicals, and other unwanted contaminants. Thanks to modern innovations, today’s reverse osmosis systems are more compact, affordable, and practical for everyday home use.
You can enjoy the benefits of reverse osmosis filtration in your home, thanks to Pentair, the world’s largest manufacturer of water products, and a global leader in water treatment.
The Pentair FreshPoint GRO-350B is a compact 3-stage reverse osmosis system that’s part of Pentair's FreshPoint series—a collection of systems designed for easy operation and convenient under-sink installation. Sized at 12.5 inches high by 11.25 inches wide by 5.46 inches deep, the Pentair FreshPoint GRO-350B can fit comfortably under most standard kitchen sinks. With standard 3/8-inch push-fit plumbing connections, the installation becomes more straightforward. This system is third-party certified by NSF International for the reduction of a variety of contaminants (see chart in specifications), including contaminants that are difficult to remove using conventional filtration methods. Whether you're addressing known water quality concerns or simply want an extra layer of protection, the Pentair FreshPoint GRO-350B is a great filtration option, providing high-quality drinking water backed by third-party certification.
The Pentair FreshPoint GRO-350B Reverse Osmosis System delivers low-flow filtered water on demand through a dedicated faucet and stores up to 3 gallons of filtered water in an integrated storage tank. As a 3-stage reverse osmosis system you get 3 replaceable cartridge filters. Every additional cartridge filter to the reverse osmosis membrane serves to enhance filtration capabilities and filter lifespan. All cartridge filters are equipped with effortless click-in, click-out connections, making for faster, tool-free filter replacements. Integrated check valves allow each filter to be replaced without shutting off the home’s water supply. No splash, no spray! Each filter is color-coded and clearly labeled to prevent installation mistakes.
The 3 included replaceable cartridge filters are:
- FDF1-RC (light blue): Sediment and chlorine pre-filter
- GRO50-RC (green): 50 GPD reverse osmosis membrane
- F1GC-RC (magenta): Polishing carbon post-filter
The system uses your household water pressure to force water through a semi-permeable reverse osmosis membrane. This membrane contains microscopic pores that allow water molecules to pass through while rejecting most dissolved contaminants. The pre-filter protects the membrane by removing sediment and chlorine, while the post-filter provides final carbon polishing to improve the taste and odor of water. No electrical connections necessary!
Under normal operating conditions, the pre-filter and post-filter are each rated to last up to 12 months. This filter lifespan is twice as long as what is typically recommended by many comparable quick-connect filter systems. The reverse osmosis membrane is rated to last up to 18 months. With long-lasting filters like these, you can rest easy knowing you won’t have to deal with the cost of frequent filter replacements.
The Pentair FreshPoint GRO-350B includes a dedicated air-gap drinking water faucet, which is required for most reverse osmosis installations unless the system is connected directly to a refrigerator with a built-in water dispenser or ice maker.
With the Pentair FreshPoint GRO-350B, you can enjoy instant access to high-quality filtered water straight from the faucet. Featuring extensive certification (see chart in specifications) and 3 convenient, long-lasting filters, the Pentair FreshPoint GRO-350B could be a great addition in any home (see operation requirements in specifications).
The Pentair FreshPoint GRO-350B can even be installed in your RV!
Important!
See specifications for recommended feed-water guidelines. Water entering the unit that meets or exceeds the recommended feed-water guidelines will significantly and negatively affect filter lifespan.
Reverse osmosis is not a suitable treatment for bacteria, nor is reverse osmosis a suitable primary treatment for arsenic.
If you suspect dangerous contaminants in your water, we recommend that you seek a professional laboratory water test to confirm. We also recommend that you seek appropriate guidance to properly address dangerous contaminants. Our CWQA certified water technicians, and water technicians in training, are happy to offer free water quality consultations, assessments, treatment recommendations, and general water quality and water testing advice: Please call 1-800-376-2690, or visit our contact page for email details and additional information.
Pentair FreshPoint GRO-350B RO System Features
- capable of producing high-quality drinking water backed by third-party certification
- tested and certified by NSF International against NSF/ANSI Standards 42, 58, and CSA B483.1 for the reduction of a variety of contaminants (see chart in specifications)
- filters out a wide range of contaminants including microplastics, heavy metals, harmful chemicals, and other unwanted contaminants
- capable of up to 98.6% reduction of lead
- capable of up to 96.9% reduction of TDS
- capable of producing high-quality water that rivals bottled water in both taste and price
- brand name - Pentair, the parent company of Pentek, the largest manufacturer of water treatment equipment in the world
- a product of a global water treatment leader
- 3-stage RO design, including pre-filter, RO membrane, post-filter
- replaceable filters are designed with click in technology for effortless switch outs
- replaceable filters are color coded
- designed for easy under sink installation
- no electrical connections necessary
- pre and post filters are rated to last up to 12 months
- RO membrane is rated to last up to 18 months
- 3/8 inches push fit connections
- system comes with secondary air-gap RO faucet for installation
- can connect to fridge ice-maker or dispenser
- suitable for RVs!
Specifications & Operating Conditions - Pentair FreshPoint GRO-350B RO System
| Specifications | |
|---|---|
| Manufacturer Model/Part #: | GRO-350B/161110 |
| System Size: | 12.5" H x 11.25" W x 5.46" D |
| Inlet/Outlet: | 3/8" QC (Quick Connect) |
| Approximate Filter Life: | Pre-Filter/Post-Filter: 12 months Membrane: 18 months |
| System Stages | |
|---|---|
| Stage 1: Pre-Filter | Pentair FreshPoint FDF1-RC (Light Blue) #655123-96 (Sediment/Carbon Filter) - Replace every 12 months - Traps sediment (clay, silt, rust, dirt, dust, and sand) and removes chlorine to both improve the taste and odor of your water, while also protecting the membrane from clogging and premature fouling |
| Stage 2: 50 GPD Reverse Osmosis Membrane | Pentair FreshPoint GRO50-RC (Green) #655121-96 50 GPD (RO Membrane) - Replace every 18 months - Removes a wide range of contaminants such as microplastics, heavy metals, sodium, total dissolved solids (TDS), and many other unpleasant contaminants (see chart in specifications) |
| Stage 3: Post-Filter | Pentair FreshPoint F1GC-RC (Magenta) #655117-96 (Carbon Filter) - Replace every 12 months - Reduces potential residual or stubborn organic contaminants |
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This system is designed for use on all chlorinated and non-chlorinated potable water supplies. It is an excellent choice for most homes. If you do not receive your water from a municipal water system (you get your water from a well, lake or other non-treated source), you should have your water tested to ensure it is biologically safe (free of bacteria, viruses, and other harmful microorganisms) before using a reverse osmosis filter as your only water treatment. If your water is biologically contaminated, you should consider a point-of-use or whole-house ultraviolet purifier in addition to your reverse osmosis unit to kill any remaining microorganisms. Recommended Source Water Parameters:Maximum TDS: 2000 ppm Hardness: < 7 gpg Iron (Fe): < 0.3 ppm (mg/L) Manganese (MN): < 0.05 ppm Hydrogen Sulfide: 0.0 ppm Turbidity: < 1.0 NTU Feed Water Pressure: 40-100 PSI Temperature: 40-100F (4-38C) |
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Note: The contaminants or other substances removed or reduced by this water treatment device are not necessarily present in your water.
Replacement Quick-Connect Cartridge Filters
Similar Pentair FreshPoint Systems
Within the Pentair FreshPoint reverse osmosis system series we offer 4 systems which differ in the number of filters, the types of filters, membrane capacity, and additional equipment.
Within the Pentair FreshPoint system series we offer 2 PFAS filtration systems which do not feature reverse osmosis membranes, nor water storage tanks. These systems utilize the same quick-connect filters featured on other Pentair FreshPoint systems and can also filter out a variety of contaminants other than PFAS compounds, such as lead.
Installation, Manuals & Resources
The Pentair FreshPoint GRO-350B RO System mounts under your sink, in your home, or in your RV, out of sight. Water supply is gained by attaching a simple adapter to your cold water supply pipe (copper or plastic). You will have to drill a hole in your countertop or sink frame to attach the air gap faucet, unless you are connecting the RO system to your fridge ice-maker or dispenser. drilling a hole in your countertop or sink frame is a relatively easy do-it-yourself project, or if you prefer, you can have it installed by a handyman or plumber. The unit includes all installation hardware and a complete installation guide.
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Pentair Freshpoint GRO-350B 3-Stage Reverse Osmosis System #161110 Customer Questions & Answers
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