This bundle features products to implement and maintain a high-quality home water purification system. It is designed for homeowners and DIY enthusiasts looking to install a comprehensive reverse osmosis (RO) plant. These products collectively help in achieving multi-stage water filtration, ensuring clean and re-mineralized drinking water.
Curated by The Field Editor · Updated June 2026
Built for households with high-volume water needs who want a set-and-forget filtration system beneath their sink. Not for renters who can't drill into countertops or piping—this shop focuses on permanent under-sink RO installations.
Curator's pick: Water Pressure Gauge 100 PSI
Most people skip the gauge, but it is the only way to tell when your filters are actually clogged versus when the tank is just low. Without this, you're guessing on replacement cycles and wasting money on early swaps.
⚠ Worth knowing: The 11-stage process significantly reduces water pressure at the faucet compared to standard tap flow. If you require a fast fill for large stockpots, you will likely need to upgrade to a larger storage tank than the standard 3.2-gallon version included here.
Under-Sink Leak Detection and Smart Shutoff KitsPoint-of-Entry Whole House Sediment Pre-FiltersReplacement Faucet Fixtures for Triple-Filtered Systems
This shop is built around the PentaPure Taiwan 11 Stages RO Plant, providing a complete solution for high-quality home water purification. It's designed for those looking to implement and maintain a comprehensive reverse osmosis system that delivers clean, re-mineralized, and pH-balanced drinking water.
This setup is ideal for homeowners and DIY enthusiasts committed to proactive health and water quality management. It's perfect for families, individuals with specific health considerations, or anyone wanting to elevate their daily drinking and cooking water experience, ensuring peace of mind about water purity.
To start, focus on the core RO system and an RO Membrane for essential purification, costing around $230-$460. A full build, including mineral enhancement, alkaline balance, and monitoring, will range from $315-$610, providing ultimate water quality and system oversight.
Full build
$315–$610
Starter
$230–$460
RO System + RO Membrane only
Best forHome Water PurificationDIY InstallationEnhanced Drinking WaterHealth-Conscious HomesMulti-Stage Filtration
11 Stage Reverse Osmosis Water Purification System
This is an advanced water purification system designed for home use to remove a wide range of contaminants from tap water. It is suitable for those seeking a thorough filtration solution for drinking and cooking. The system provides multiple stages of filtration, ensuring clean and purified water for daily consumption.
11 stages of filtration
Reverse osmosis membrane
Under-sink installation
Removes broad spectrum contaminants
For home drinking water
In this shop: The 11 Stage Reverse Osmosis Water Purification System is central to the PentaPure 11 Stage Reverse Osmosis Water Filter System theme, demonstrating comprehensive home water treatment.
This is a key component for reverse osmosis water purification systems, responsible for the primary contaminant rejection. It is intended for homeowners maintaining or upgrading their RO unit. This membrane ensures efficient removal of dissolved solids and impurities from water.
75 Gallons per Day flow rate
Thin film composite material
Standard RO membrane size
High contaminant rejection
For residential RO systems
In this shop: The RO Membrane 75 GPD High Flow product is integral to the PentaPure 11 Stage Reverse Osmosis Water Filter System theme, enabling the core filtration process.
This cartridge is designed to reintroduce essential minerals into purified water after the reverse osmosis process has stripped them. It is for users who prefer mineral-enhanced drinking water. The cartridge helps improve water taste and provides beneficial minerals.
Adds beneficial minerals
Post-RO filtration stage
Granular mineral media
Enhances water taste
Standard inline filter size
In this shop: The Mineral Addition Cartridge aligns with the PentaPure 11 Stage Reverse Osmosis Water Filter System's aim of delivering not just pure, but also enhanced, healthful water.
This replacement filter adjusts the pH of purified water to an alkaline level, balancing the water's properties after filtration. It is for individuals seeking alkaline drinking water for potential health benefits. The filter contributes to a more balanced and palatable output.
Increases water pH
Alkaline media filtration
Post-filtration stage
Standard inline cartridge
Improves water taste
In this shop: The Alkaline Water Filter Replacement fits the PentaPure 11 Stage Reverse Osmosis Water Filter System vibe by providing a final touch to water quality, focusing on enhancement.
This gauge monitors water pressure within plumbing systems, providing essential data for performance and troubleshooting. It is suitable for DIY installers and system maintenance. The gauge helps ensure optimal operation of water filtration equipment.
100 PSI pressure range
Brass connection
Liquid-filled gauge
2-inch dial diameter
For plumbing and RO systems
In this shop: The Water Pressure Gauge 100 PSI supports the hands-on aspect of the PentaPure 11 Stage Reverse Osmosis Water Filter System theme, allowing for system monitoring.
This tank stores purified water from a reverse osmosis system, making it available on demand without waiting for filtration. It is for any household using an RO system to ensure a steady supply of clean water. The tank maintains water pressure for dispensing.
3.2-gallon capacity
Pressurized storage
Food-grade butyl diaphragm
Steel construction
For under-sink RO systems
In this shop: The Reverse Osmosis Storage Tank 3.2 Gallon is a practical addition to the PentaPure 11 Stage Reverse Osmosis Water Filter System, addressing the user's need for readily available purified water.
This system provides exceptionally clean and contaminant-free water, going beyond basic filtration to remove a wide range of impurities.
The bundled products ensure that purified water is also re-mineralized and pH-balanced, offering not just purity but also potential health benefits and improved taste.
With the inclusion of a pressure gauge and storage tank, the system offers robust performance monitoring and convenient on-demand access to purified water.
What to know
Initial installation can be complex due to the multi-stage nature of the system, requiring careful attention to plumbing and component assembly.
While providing superior water quality, the system does require periodic replacement of filters and the RO membrane, incurring ongoing maintenance costs.
How to use this together
1
Install the Core RO System
Begin by installing the 11 Stage Reverse Osmosis Water Purification System according to its instructions. Ensure all connections are secure to prevent leaks. This is the foundation of your purification, removing the vast majority of contaminants before subsequent stages.
2
Integrate the RO Membrane and Storage
Carefully insert the RO Membrane 75 GPD High Flow into its housing within the RO system. Once the core system is hooked up, connect the Reverse Osmosis Storage Tank 3.2 Gallon to hold your purified water. The membrane is crucial for filtration, and the tank ensures you have a ready supply.
3
Add Mineral and Alkaline Stages
After the main purification and before the dispensing faucet, install the Mineral Addition Cartridge and the Alkaline Water Filter Replacement in sequence. The Mineral Addition Cartridge reintroduces vital minerals, while the Alkaline filter balances the pH, enhancing taste and adding beneficial properties to the water.
4
Monitor Water Pressure
Install the Water Pressure Gauge 100 PSI at an appropriate point in your input water line or system for continuous monitoring. This helps you ensure the system is operating at optimal pressure and can aid in troubleshooting if flow rates decrease, indicating a potential issue with filters or the membrane.
