This bundle offers components for a 7-stage reverse osmosis (RO) water filtration system for home installation. It provides comprehensive water purification by removing contaminants and re-mineralizing the water. This collection is suitable for homeowners seeking improved water quality and a complete setup for their residential RO plant.
Curated by The Field Editor · Updated June 2026
Built for homeowners or tenants dealing with high TDS levels who need a reliable, self-serviceable countertop or under-sink solution. Not for those who prioritize aesthetic minimalist fixtures over heavy-duty filtration capacity.
Curator's pick: 3.2 Gallon Water Storage Tank
While everyone looks at the filters, the tank is what usually fails first; this specific volume provides the right balance of pressure and recovery time for a family of four without losing its seal after six months.
⚠ Worth knowing: These 7-stage systems require a fair amount of under-cabinet real estate, and you should expect to spend about an hour every six months on filter swaps if your local water has high sediment loads.
Whole House Pre-Filtration and Sediment ShieldsHigh-Output UV Sterilization KitsSmart Leak Detectors and Automatic Shut-off Valves
This shop provides all the necessary components to install a comprehensive 7-stage reverse osmosis (RO) water purification plant in your home. The selection is built around removing contaminants and re-mineralizing your drinking water, ensuring a healthy and great-tasting supply.
This system is perfect for homeowners who are concerned about the quality of their tap water and want a complete, self-installed solution for purification. It's ideal for families seeking improved water for drinking and cooking, especially in areas with known water quality issues or low water pressure.
To get started, you can focus on the core filtration and storage components. A full build, including all peripherals, will cost between $300 and $490.
Full build
$300–$490
Starter
$215–$380
Core filter, membrane, and tank
Best forHome Water PurificationImproved Water TasteDIY Water FiltrationHealth-Conscious HouseholdsLow Water Pressure Homes
This 7-stage reverse osmosis system provides comprehensive water purification for households. It is designed for residents concerned about water quality, offering multiple filtration stages to remove various contaminants and reintroduce beneficial minerals. This system ensures clean, potable water directly from your tap.
7-stage filtration process
Removes dissolved solids and contaminants
Re-mineralizes purified water
Under-sink installation type
Includes all necessary components
In this shop: This product directly embodies the PentaPure 7 Stage Reverse Osmosis Water Filter System vibe by being the core filtration unit specified.
The Taiwan RO Booster Pump 75 GPD is a high-pressure pump designed to increase water flow to reverse osmosis membranes. It is intended for homes with low incoming water pressure that require consistent water delivery to the RO system for optimal performance. This pump ensures efficient filtration and prevents slow water production.
Increases water pressure for RO systems
75 gallons per day (GPD) capacity
Enhances filtration efficiency
Low-noise operation
Standard RO pump connection
In this shop: This booster pump aligns with the PentaPure 7 Stage Reverse Osmosis Water Filter System theme by ensuring the RO system operates effectively even with low water pressure.
The Reverse Osmosis Membrane 75 GPD is a critical component for removing dissolved solids, heavy metals, and other impurities from water. It is suitable for residential RO systems, providing high-quality filtered water for drinking and cooking. This membrane is the core of the purification process, ensuring effective contaminant rejection.
75 gallons per day (GPD) capacity
Removes dissolved solids and heavy metals
Standard RO membrane housing size
Long lifespan with proper maintenance
Taiwan-manufactured quality
In this shop: This RO membrane is central to the PentaPure 7 Stage Reverse Osmosis Water Filter System's purification capabilities, filtering out impurities at a fine level.
The Mineral Stone Alkaline Filter Cartridge is the final stage in many advanced reverse osmosis systems. It is for those who desire re-mineralized and alkaline water. This cartridge adds beneficial minerals back into the purified water, improving its taste and pH level after the RO process.
Re-mineralizes RO water
Increases water pH (alkaline)
Improves water taste
Standard inline filter connection
Post-RO filtration stage
In this shop: This filter cartridge directly contributes to the '7 Stage' aspect of the PentaPure 7 Stage Reverse Osmosis Water Filter System by adding the crucial re-mineralization step.
The 3.2 Gallon Water Storage Tank is a pressurized unit designed for storing purified water from a reverse osmosis system. It is ideal for residential use, ensuring a ready supply of clean water on demand. This tank maintains water pressure for dispensing and fits neatly under most kitchen sinks.
3.2 gallon storage capacity
Pressurized for on-demand water
Steel construction with food-grade lining
Fits under most kitchen sinks
Standard RO tank connection
In this shop: This storage tank supports the PentaPure 7 Stage Reverse Osmosis Water Filter System by providing a reservoir for the purified water from the system.
The Luxury Goose Neck RO Faucet is a dedicated tap for dispensing purified water from an RO system. It is designed for aesthetic appeal and convenient access to filtered water, complementing modern kitchen decor. This faucet ensures a separate, contamination-free outlet for drinking water.
Dedicated RO water dispensing
Elegant goose neck design
Durable chrome finish
Single-hole installation
Lead-free construction
In this shop: This faucet completes the PentaPure 7 Stage Reverse Osmosis Water Filter System setup by providing an elegant and functional dispensing point for the purified water.
This comprehensive bundle ensures highly purified and re-mineralized water, going beyond basic filtration to remove a wide range of contaminants while improving taste and pH.
The modular design allows for DIY installation and maintenance, providing homeowners with control over their water quality and potentially reducing long-term costs.
The system includes a booster pump and storage tank, ensuring consistent water flow and availability of purified water, even in homes with low incoming water pressure.
What to know
Installing a 7-stage RO system requires some basic plumbing knowledge and space under the sink, which might be a consideration for inexperienced users or small kitchens.
Regular maintenance involves replacing filter cartridges and the RO membrane, which adds ongoing costs and requires attention to ensure optimal system performance.
How to use this together
1
Assemble the Core Filtration System
Begin by installing the '7 Stage Reverse Osmosis Water Filtration System' according to its detailed instructions. Connect it to your main cold water line, ensuring all connections are secure to prevent leaks. This establishes the primary contaminant removal stages.
2
Integrate Booster Pump and Membrane
If you have low water pressure, install the 'Taiwan RO Booster Pump 75 GPD' before the RO membrane to ensure efficient filtration. Then, carefully insert the 'Reverse Osmosis Membrane 75 GPD' into its housing within the main filtration unit. This membrane is crucial for removing dissolved solids and heavy metals.
3
Add Storage and Remineralization
Connect the '3.2 Gallon Water Storage Tank' to the purified water outlet of the RO system to ensure you have a readily available supply. Install the 'Mineral Stone Alkaline Filter Cartridge' as the final stage, after the RO membrane, to reintroduce beneficial minerals and improve water taste and pH.
4
Install Dedicated Faucet
Finally, install the 'Luxury Goose Neck RO Faucet' at your desired sink location. Connect the purified water line from the storage tank to this faucet. This provides a dedicated, convenient tap for dispensing your freshly purified and re-mineralized water.
