---
product_id: 280310288
title: "MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4\" Ball Valve"
brand: "frizzlife"
price: "$79.31"
currency: USD
in_stock: true
reviews_count: 13
category: "Frizzlife"
url: https://www.desertcart.us/products/280310288-mwt3-pressure-mini-water-tank-for-pd400-pd500-pd600-px500
store_origin: US
region: United States of America
---

# 0.13 Gallon compact capacity 1/4” quick connect for effortless install Pressure tested up to 85 PSI durability MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4" Ball Valve

**Brand:** frizzlife
**Price:** $79.31
**Availability:** ✅ In Stock

## Summary

> 💧 Upgrade your RO system with the mini tank that keeps the flow flawless!

## Quick Answers

- **What is this?** MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4" Ball Valve by frizzlife
- **How much does it cost?** $79.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/280310288-mwt3-pressure-mini-water-tank-for-pd400-pd500-pd600-px500)

## Best For

- frizzlife enthusiasts

## Why This Product

- Trusted frizzlife brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Rigorously tested for pressure resistance and backed by a 1-year warranty.
- • **Plug & Play Setup:** 1/4” quick connect design makes installation a breeze—no plumber needed.
- • **Compact Powerhouse:** Sleek 4.5x4.5x8 inch size fits discreetly under any kitchen sink.
- • **Safe & Sustainable:** Made from 100% food-grade, recyclable materials for peace of mind.
- • **Pulse-Free Hydration:** Eliminates annoying water pressure pulsing for smooth, consistent flow.

## Overview

The Frizzlife MWT3 is a compact 0.13-gallon pressurized water tank designed to optimize tankless reverse osmosis systems by stabilizing water pressure and eliminating output lag. Featuring a user-friendly 1/4” quick connect installation, durable food-grade materials, and pressure resistance up to 85 PSI, it fits seamlessly under most kitchen sinks and enhances water flow consistency, making it a must-have upgrade for modern, efficient hydration.

## Description

Frizzlife Water Filter System

## Features

- [Innovative Solution for Tankless RO systems] The tiny water storage tank is specifically designed to effectively solve the inherit drawbacks of tankless RO systems: a) occasional pulsing of the system caused by unstable water pressure, especially when it is connected to a refrigerator or long distance point of use. b) initial time lag of water output of tankless reverse osmosis system.
- [Super Easy to Install: Following clear user manual, the mini water tank is super easy to be installed with 1/4” quick connect design. Simply cut off your outlet water line of the RO system and insert the tank in between the cut. The package includes a blade, a 3 way quick fitting, a ball valve, a tank, and a tank base. Everything needed for installation is included.
- [Durable & Guaranteed]: The stylish small water storage tank in black has been rigorously tested for tank integrity, pressure resistance, durability and material safety. It is warrantied for 1 year of usage.
- [Premium Quality and Safe] Made by 100% food grade materials, the mini tank is fully recyclable, 100% safe to preserve effective amount of water. Although at pocket size, it’s sturdy and strong enough to persist to high pressure.
- [Water Storage Tank Dimensions]: The mini water tank (4.5” x 4.5” x 8.3”) caters to the design concept of tankless reverse osmosis system which is compact and sleek enough to fit under almost all of the kitchen sinks. Perfectly fits for G3, G2, P600, RO500, KFL-X6, D6, PL400G, CUW4, tankless RO systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08P6RF58J |
| Best Sellers Rank | #98,255 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Hydraulic Tanks & Reservoirs #222 in Under-Sink & Countertop Filtration |
| Brand | FRIZZLIFE |
| Brand Name | FRIZZLIFE |
| Capacity | 0.13 Gallons |
| Container Type | Tank |
| Customer Reviews | 4.5 out of 5 stars 352 Reviews |
| Included Components | Storage Tank, Blade, 3 way quick fitting, Ball Valve, Tank base |
| Installation Type | Freestanding |
| Item Dimensions L x W x H | 4.5"L x 4.5"W x 8"H |
| Item Weight | 0.7 Kilograms |
| Manufacture Year | 2023 |
| Manufacturer | Frizzlife |
| Material | Polypropylene, Polycarbonate , Polyethylene , SAN Copolymer, or Stainless Steel |
| Material Type | Polypropylene, Polycarbonate, Polyethylene, SAN Copolymer, or Stainless Steel |
| Model Name | MWT3 |
| Model Number | Frizzlife MWT3 |
| Other Special Features of the Product | Durable |
| Power Source | Manual |
| Product Dimensions | 4.5"L x 4.5"W x 8"H |
| Purification Method | Reverse Osmosis |
| Special Feature | Durable |
| Supported Water TDS Level Maximum (PPM) | 500 |
| Upper Temperature Rating | 212 Degrees Fahrenheit |

## Product Details

- **Brand:** FRIZZLIFE
- **Capacity:** 0.13 Gallons
- **Included Components:** Storage Tank, Blade, 3 way quick fitting, Ball Valve, Tank base
- **Installation Type:** Freestanding
- **Material:** Polypropylene, Polycarbonate, Polyethylene, SAN Copolymer, or Stainless Steel
- **Package Information:** Tank
- **Power Source:** Manual
- **Product Dimensions:** 4.5"L x 4.5"W x 8"H
- **Purification Method:** Reverse Osmosis
- **Special Feature:** Durable

## Images

![MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4" Ball Valve - Image 1](https://m.media-amazon.com/images/I/51X36JqgPeL.jpg)
![MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4" Ball Valve - Image 2](https://m.media-amazon.com/images/I/71-G4m3LM7S.jpg)
![MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4" Ball Valve - Image 3](https://m.media-amazon.com/images/I/71Q0lTjublL.jpg)
![MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4" Ball Valve - Image 4](https://m.media-amazon.com/images/I/71Vn+KaU9aL.jpg)
![MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4" Ball Valve - Image 5](https://m.media-amazon.com/images/I/61dEsHKaDrL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by F***L on September 21, 2025*



### ⭐⭐⭐⭐⭐ Review
*by G***N on July 21, 2021*



### ⭐⭐⭐⭐ Review
*by C***E on March 21, 2022*



## Frequently Bought Together

- Frizzlife MWT3 Pressure Mini Water Tank for PD400, PD500, PD600, PX500, PX500-A, 0.13 Gallon Small Pressuized Storage Water Tank for Tankless Reverse Osmosis System G2, P600,G3, with 1/4" Ball Valve
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-14*