Brio SIMPL Reverse Osmosis Water Alternatives: 6 Similar Picks Compared
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The Brio SIMPL 800 GPD 4-Stage RO offers high-volume, tankless under-sink purification with a compact footprint. If you are searching for brio simpl reverse osmosis water alternatives, you may want different features or installation types. This system delivers 800 gallons per day with a 2:1 pure-to-waste ratio. It uses a 4-stage filtration process to remove dirt, rust, chlorine, VOCs, and fine silts. The unit is NSF 372 certified and measures 5.2 by 13.8 by 14 inches. You might prefer a countertop model for rental flexibility or a system with alkaline filtration for mineral enhancement. Some buyers need electric pumps for low water pressure, while others seek quieter operation without energy use.
The 6 similar picks compared here were chosen because their specifications overlap with the original Brio system. The list includes other 800 GPD tankless models like the Waterdrop G3P800 and Frizzlife 800 GPD Alkaline RO. It also features countertop options such as the AquaTru Glass Carafe and AquaTru Classic Alkaline for users without plumbing access. Each alternative matches the core capacity or filtration stage count of the Brio SIMPL. You can compare dimensions, installation requirements, and specific contaminant removal capabilities across these brands. This selection helps you find a system that fits your space and water quality needs without compromising on flow rate or purity.
How each alternative compares
AquaTru Glass Carafe Countertop RO
The AquaTru Glass Carafe Countertop RO differs fundamentally by requiring no plumbing. You place it on a counter and fill the carafe manually. This makes it ideal for renters who cannot install under-sink systems. Unlike the Brio SIMPL, it has no faucet or drain connection. It uses a 4-stage filtration process similar to the Brio but delivers water in batches rather than on demand. The footprint is larger on the counter but saves under-sink cabinet space. You trade convenience for installation flexibility. Choose this if you need certified purification without permanent fixtures.
Waterdrop G3P800 Tankless RO System
The Waterdrop G3P800 matches the Brio SIMPL in 800 GPD capacity and tankless design. Both systems save under-sink space and deliver high flow rates. The Waterdrop model is slightly taller and deeper, which may affect fit in tight cabinets. It shares the 4-stage filtration approach but often includes additional monitoring features not listed in the Brio specs. The Waterdrop offers a white finish, whereas the Brio includes a brushed nickel faucet. If you prefer a minimalist aesthetic or specific smart features, the Waterdrop is a strong alternative. Otherwise, the Brio provides a comparable performance with a standard faucet setup.
AquaTru Classic Alkaline Countertop RO
The AquaTru Classic Alkaline Countertop RO is a countertop unit, not an under-sink system. It requires no plumbing, unlike the Brio SIMPL which needs a feedwater adapter and drain saddle. This model adds an alkaline filter to its 4-stage process, changing the water pH. The Brio focuses on standard purification without pH adjustment. The AquaTru is heavier and occupies significant counter space. You gain alkaline water and easy setup but lose the instant faucet flow of the Brio. Pick this if you want alkaline water and cannot install a faucet. The Brio remains better for permanent, high-volume kitchen use.
Glacier Fresh 800 GPD Tankless RO
The Glacier Fresh 800 GPD Tankless RO is an electric-free system, unlike the Brio SIMPL which may require power for its flow restrictor or monitoring. It operates quietly without pumps. The Glacier Fresh uses a classic tankless design with a deep blue color option. It matches the 800 GPD capacity of the Brio but lacks the detailed 4-stage specification listing found in the Brio data. It is ideal for homes with adequate water pressure that want to avoid electricity. The Brio offers a more documented filtration path with specific contaminant removal claims. Choose Glacier Fresh for silent, passive operation.
Waterdrop X8-PRO Dual Flow 800 GPD
The Waterdrop X8-PRO Dual Flow 800 GPD system offers two water lines: pure RO water and filtered tap water. The Brio SIMPL provides only purified water through its faucet. This dual-flow feature allows you to use filtered water for cooking or washing without wasting RO output. The Waterdrop is larger and heavier than the Brio unit. It requires more complex plumbing for the dual lines. If you need separate lines for drinking and cleaning, the Waterdrop is superior. The Brio is simpler to install and maintain with a single faucet. Choose Waterdrop for versatility in water usage.
Frizzlife 800 GPD Alkaline RO System
The Frizzlife 800 GPD Alkaline RO System is an under-sink unit like the Brio SIMPL. It also features a tankless design and 800 GPD capacity. However, it includes an alkaline filter to enhance mineral content, which the Brio does not specify. The Frizzlife has a larger physical footprint with greater height and length dimensions. It requires under-sink power access for its alkaline function. The Brio offers a more compact profile and standard filtration. If you want alkaline water and have space for a larger system, the Frizzlife is a good choice. Otherwise, the Brio provides a simpler, space-saving solution.
Quick picks
Our 7 picks
Brio SIMPL 800 GPD 4-Stage RO
Best for: high-volume under-sink water purification
- Filtration Stages
- 4
- Capacity (GPD)
- 800 GPD
- Design
- Tankless, under sink
- Pure to Drain Ratio
- 2:1
- Certification
- NSF 372
- Filtration Type
- Reverse osmosis
The Brio SIMPL is a tankless under-sink reverse osmosis system with an 800 GPD capacity. It uses a 4-stage filtration process to remove dirt, rust, chlorine, VOCs, and fine silts. The unit features a 2:1 pure-to-waste water ratio and a compact footprint that saves up to 70% of space compared to tank systems. It is designed for families or offices needing high-volume purified water without the bulk of a storage tank.
Pros
- 800 GPD capacity provides up to 2 LPM dispense flow
- 2:1 pure-to-waste ratio minimizes water waste
- 4-stage filtration removes dirt, rust, chlorine, VOCs, and fine silts
- Tankless design saves up to 70% of under-sink space
- NSF 372 certified for lead-free materials
Cons
- Requires under-sink installation and plumbing connections
- Produces wastewater at a 2:1 ratio
- No built-in water storage tank for backup supply
Good fit if
- You need high daily water output for a large family or office
- You have limited under-sink space and want to avoid a bulky tank
- You prefer a straightforward 3-button operation interface
Skip if
- You require a countertop unit that needs no plumbing
- You want a system with a built-in storage tank for immediate reserve
- You are looking for a system with fewer than 4 filtration stages
Verdict: Brio SIMPL 800 GPD Tankless RO System is a high-capacity, space-saving solution for users who need fast, purified water flow without the footprint of a traditional tank system.
AquaTru Glass Carafe Countertop RO
Best for: renters needing certified filtration without plumbing
- Filtration Stages
- 4
- Design
- Countertop
- Certification
- NSF
- Filtration Type
- Reverse osmosis
- Installation Type
- Countertop
- Dimensions
- 5.25 × 1.5 × 13.5 inches
The AquaTru is a countertop reverse osmosis system that requires no plumbing or drilling. It uses a 4-stage filtration process certified by NSF standards to remove contaminants like fluoride and microplastics. The unit includes a glass carafe for dispensing purified water. It is designed for renters or those without under-sink access. The system plugs into a standard outlet and sits on your counter.
Pros
- No plumbing or drilling required for installation
- 4-stage reverse osmosis filtration certified by NSF
- Includes a removable glass carafe with lid
- Removes fluoride, microplastics, and chromium-6
Cons
- Countertop design occupies significant counter space
- Pre-filter lasts only 6 months or 300 gallons
- Manual filling required for the water tank
Good fit if
- You rent and cannot modify plumbing
- You need pure water without under-sink access
- You want NSF-certified contaminant removal
Skip if
- You prefer a tankless high-flow system
- You want to install the unit under the sink
- You need alkaline remineralization stages
Verdict: AquaTru Countertop RO Water Purifier fits renters who need certified filtration without installation. It delivers pure water via a glass carafe but requires manual refilling and occupies counter space.
Waterdrop G3P800 Tankless RO System
Best for: High-flow, certified under-sink filtration
- Filtration Stages
- 10
- Capacity (GPD)
- 800 GPD
- Design
- Tankless
- Pure to Drain Ratio
- 3:1
- Certification
- NSF 42, NSF 53, NSF 58, NSF 372
- Filtration Type
- Reverse Osmosis
The Waterdrop G3P800 is an under-sink, tankless reverse osmosis system with 800 GPD capacity. It uses 10-stage filtration and holds NSF/ANSI 42, 53, 58, and 372 certifications. The unit includes a smart faucet with TDS display and LED indicator. It saves space and delivers water quickly with a 3:1 pure-to-drain ratio. This system suits households needing high flow and certified purity without a storage tank.
Pros
- 800 GPD high capacity for fast water delivery
- NSF/ANSI 42, 53, 58, and 372 certified
- 10-stage filtration reduces PFAS, fluoride, and heavy metals
- Smart faucet with TDS level display
- Tankless design saves under-sink space
Cons
- No built-in water storage tank
- Requires under-sink installation
- 3:1 pure-to-drain water ratio
Good fit if
- You need high daily water capacity
- You want NSF-certified filtration for contaminants
- You prefer a tankless under-sink design
Skip if
- You require a countertop unit
- You need a built-in storage tank
- You want a faucet without digital display
Verdict: Waterdrop G3P800 800 GPD Tankless RO offers certified, high-flow filtration for families who value space efficiency and real-time water quality monitoring.
AquaTru Classic Alkaline Countertop RO
Best for: Renters seeking alkaline water without plumbing
- Filtration Stages
- 4
- Design
- Countertop
- Certification
- NSF standards
- Filtration Type
- Reverse osmosis, alkaline
- Installation Type
- Countertop
- Features
- Alkaline Filter
The AquaTru Classic Alkaline is a countertop reverse osmosis system with a 4-stage filtration process. It includes an alkaline filter to adjust pH levels. The unit holds a 1-gallon tank and requires no plumbing. It measures 16.3 inches wide and weighs 22.8 pounds. This design suits renters who need a portable, tool-free installation for clean drinking water.
Pros
- 4-stage reverse osmosis filtration with alkaline filter
- 1-gallon water tank for daily family use
- No plumbing or permanent installation required
- NSF certified to reduce fluoride and lead
Cons
- Requires countertop space and electrical outlet
- Heavier at 22.8 pounds than tankless models
- Slower production rate compared to high-GPD systems
Good fit if
- You rent and cannot drill holes for plumbing
- You want alkaline water without complex setup
- You need a portable solution for apartments
Skip if
- You need high-volume water for cooking
- You want a tankless under-sink design
- You have limited countertop space
Verdict: AquaTru Classic Alkaline Countertop RO fits renters who need easy, tool-free setup and alkaline water. It delivers certified purification without permanent installation.
Glacier Fresh 800 GPD Tankless RO
Best for: quiet, tankless under-sink purification
- Filtration Stages
- 5-Stage
- Capacity (GPD)
- 800 GPD
- Design
- Tankless, under sink
- Pure to Drain Ratio
- 3:1
- Certification
- NSF/ANSI 58, 372, 401
- Filtration Type
- Reverse osmosis
This Glacier Fresh GFU03 is a tankless under-sink reverse osmosis system that requires no electricity. It offers 800 GPD capacity with a 5-stage filtration process using a 0.0001 μm membrane. The unit achieves a 3:1 pure-to-drain ratio and meets NSF/ANSI 58, 372, and 401 standards. Its compact 13.6 by 8.27 by 16.5 inch design saves space. It suits users seeking quiet, energy-efficient water purification without external tanks.
Pros
- Electric-free water-powered design eliminates operating noise
- 3:1 pure-to-drain water ratio reduces waste
- NSF/ANSI 58, 372, and 401 certified filtration
- Tankless all-in-one build saves under-sink space
Cons
- Requires minimum 40 PSI inlet pressure for proper flow
- Needs a 1/2 to 1 inch hole drilled in the sink
- Initial rinse required for 10 to 20 minutes after installation
Good fit if
- You want silent operation without electrical connections
- You need to save cabinet space with a tankless design
- You prioritize water efficiency with a 3:1 ratio
Skip if
- Your water pressure is consistently below 40 PSI
- You cannot drill a hole in your sink for the faucet
- You prefer a system with a built-in pressure gauge that does not require manual rinsing
Verdict: Glacier Fresh GFU03 Electric-Free RO System provides a quiet, space-saving solution for homes with adequate water pressure. It is ideal for users who want certified purity without the noise or energy use of electric pumps.
Waterdrop X8-PRO Dual Flow 800 GPD
Best for: Dual-flow kitchen water needs
- Filtration Stages
- 9
- Capacity (GPD)
- 800 GPD
- Design
- Tankless, under sink
- Pure to Drain Ratio
- 2:1
- Filtration Type
- Reverse osmosis
- Contaminants Removed
- TDS, PFOA, PFOS, chlorine, lead
The Waterdrop X8-PRO is a tankless under-sink reverse osmosis system with an 800 GPD capacity. It features a unique dual-flow design, providing separate lines for drinking water and filtered water for cleaning. The unit uses a 9-stage filtration process with a 0.0001 micron RO membrane. It includes a smart digital faucet to monitor TDS levels. This system offers a 2:1 pure-to-drain ratio for efficiency.
Pros
- Dual-flow design separates drinking and cleaning water lines
- 800 GPD high-speed tankless performance
- 9-stage filtration with 0.0001 micron RO membrane
- Smart digital faucet displays TDS and filter life
- 2:1 pure water to drain ratio
Cons
- Requires drilling a new hole for the dual faucet
- Heavier build at 36.6 pounds
- Limited to white color option
Good fit if
- You need separate filtered water for dishes and drinking
- You want real-time water quality monitoring via the faucet display
- You prefer a tankless design to save under-sink space
Skip if
- You cannot drill additional holes in your countertop
- You require a compact footprint under 6 inches wide
- You need a system with multiple color choices
Verdict: Waterdrop X8-PRO 800 GPD Dual Flow RO suits households that want instant pure water and dedicated filtered lines for cleaning without a storage tank.
Frizzlife 800 GPD Alkaline RO System
Best for: high flow tankless alkaline water
- Filtration Stages
- 9
- Capacity (GPD)
- 800
- Pure to Drain Ratio
- 2:1
- Certification
- NSF/ANSI 372, FCC
- Filtration Type
- Reverse osmosis, alkaline mineral
- Installation Type
- Under sink
This under sink reverse osmosis system produces 800 gallons per day with a tankless design. It uses a nine-stage filtration process to remove contaminants while adding alkaline minerals. The unit features a 2:1 pure-to-drain ratio and includes a smart panel for real-time TDS monitoring. You get a fast flow rate of 0.56 gallons per minute. It fits under your sink without a bulky storage tank.
Pros
- 800 GPD capacity with 0.56 GPM flow rate
- Tankless design saves 70% under sink space
- 2:1 pure-to-drain water saving ratio
- Alkaline post-filter raises pH above 7.5
- Smart panel shows real-time TDS and filter life
Cons
- Built-in pump adds 30.8 pounds to the weight
- Requires dedicated electrical outlet for the pump
- Larger physical footprint than traditional tanked systems
Good fit if
- You want fresh water without waiting for a tank to refill
- You care about the mineral content and pH of your drinking water
- You need a high flow rate for filling pitchers quickly
Skip if
- You do not have an electrical outlet under your sink
- You need a system that weighs less than 30 pounds
- You prefer a completely passive system with no moving parts
Verdict: Frizzlife 800 GPD Alkaline RO System delivers high-volume water with a tankless design for users who want immediate flow and mineral-enhanced water quality. It suits those with under sink power access who prioritize space saving and fast filling speeds.
Specifications side by side
| Spec | Brio SIMPL 800 GPD 4-Stage RO | AquaTru Glass Carafe Countertop RO | Waterdrop G3P800 Tankless RO System | AquaTru Classic Alkaline Countertop RO | Glacier Fresh 800 GPD Tankless RO | Waterdrop X8-PRO Dual Flow 800 GPD | Frizzlife 800 GPD Alkaline RO System |
|---|---|---|---|---|---|---|---|
| Filtration Stages | 4 | 4 | 10 | 4 | 5-Stage | 9 | 9 |
| Capacity (GPD) | 800 GPD | not specified | 800 GPD | not specified | 800 GPD | 800 GPD | 800 |
| Design | Tankless, under sink | Countertop | Tankless | Countertop | Tankless, under sink | Tankless, under sink | not specified |
| Pure to Drain Ratio | 2:1 | not specified | 3:1 | not specified | 3:1 | 2:1 | 2:1 |
| Certification | NSF 372 | NSF | NSF 42, NSF 53, NSF 58, NSF 372 | NSF standards | NSF/ANSI 58, 372, 401 | not specified | NSF/ANSI 372, FCC |
| Filtration Type | Reverse osmosis | Reverse osmosis | Reverse Osmosis | Reverse osmosis, alkaline | Reverse osmosis | Reverse osmosis | Reverse osmosis, alkaline mineral |
| Contaminants Removed | PFAS, VOCs, heavy metals, chlorine | not specified | PFAS, fluoride, lead, chromium, iron | not specified | PFAS, lead, TDS, PFOA, PFOS, fluoride | TDS, PFOA, PFOS, chlorine, lead | not specified |
| Installation Type | Under sink | Countertop | Under sink | Countertop | Under sink | Under sink | Under sink |
| Features | not specified | not specified | Smart LED faucet | not specified | not specified | Smart digital faucet | not specified |
| Micron Rating | 0.0001 micron | not specified | not specified | not specified | 0.0001μm | 0.0001 μm | 0.0001 |
| Capacity | 800 GPD | not specified | 800 GPD | not specified | 800 GPD | 800 GPD | 800 GPD |
| Use | not specified | not specified | not specified | not specified | not specified | Kitchen | not specified |
| Color | not specified | not specified | White | AquaTru Classic Alkaline | Deep Blue-RO Filtration | [ Dual Flow] White | PD800-TAM4 Alkaline Reverse Osmosis System |
| Dimensions | 14 × 5.2 × 13.8 inches | 5.25 × 1.5 × 13.5 inches | 18.1 × 5.67 × 17.7 inches | 11 × 16.3 × 20 inches | 13.6 × 8.27 × 16.5 inches | 18.2 × 6.25 × 16.7 inches | 37.3 × 13.4 × 39.4 inches |
| Weight | 17.2 pounds | 14.7 pounds | 33.7 pounds | 22.8 pounds | not specified | 36.6 pounds | 30.8 pounds |
| Size | 800 GPD | not specified | 800 GPD | not specified | U03-Classic | 800 GPD | 800 GPD |
| Model | TROM800STD | AquaTru Carafe | WD-G3P800-W | AquaTru Classic Alkaline | GFU03 | WD-X8W | 800 GPD Mineralized RO |
Frequently asked questions
Does the Brio SIMPL require electricity?
The Brio SIMPL 800 GPD model does not list an electric pump in its attributes. It relies on water pressure for filtration. This contrasts with some other tankless systems that use power to boost flow. You can install it under the sink without needing a nearby outlet.
Which alternative is best for renters?
The AquaTru Glass Carafe Countertop RO is the top choice for renters. It requires no plumbing and sits on your counter. You fill the carafe manually, avoiding permanent installation. This setup allows you to take the unit with you if you move, unlike under-sink systems.
Are there options with alkaline filters?
Yes, several alternatives include alkaline filters. The AquaTru Classic Alkaline Countertop RO adds minerals for pH balance. The Frizzlife 800 GPD Alkaline RO System also features an alkaline filter. These models enhance water quality by adding beneficial minerals after the reverse osmosis process.
Which system is the most compact?
The Brio SIMPL 800 GPD is highly compact for under-sink use. It measures 5.2 inches wide and 14 inches long. This small footprint saves space compared to larger units. The AquaTru carafe is also slim, fitting easily on countertops without taking up much room.
Do any models offer dual flow?
The Waterdrop X8-PRO Dual Flow 800 GPD offers dedicated lines for different needs. You get instant pure water and a separate filtered line for cleaning. This design eliminates the need for a storage tank while providing flexibility for kitchen tasks and drinking water.
Is there a tankless option that is quiet?
The Glacier Fresh 800 GPD Tankless RO is designed for quiet operation. It is an electric-free system that works with adequate water pressure. This makes it ideal for users who want certified purity without the noise of electric pumps or the sound of a storage tank.
How many filtration stages do these systems have?
Most listed models use a 4-stage filtration process. The Brio SIMPL and AquaTru units both employ four stages to remove contaminants. This standard setup ensures thorough purification. The specific filters may vary, but the multi-stage approach is common across these high-capacity reverse osmosis systems.