---
product_id: 451860055
title: "Reverse Osmosis 4040 Commercial RO Membrane (ULP-4040: 2600GPD) size 4\" x 40\" good for Industrial, Agricultural, Whole House & more (2)"
brand: "max water"
price: "188083 Ft"
currency: HUF
in_stock: true
reviews_count: 2
category: "Max Water"
url: https://www.desertcart.hu/products/451860055-reverse-osmosis-4040-commercial-ro-membrane-ulp-4040-2600gpd-size
store_origin: HU
region: Hungary
---

# 2600 GPD capacity 90 ft² membrane area 99.35% impurity rejection Reverse Osmosis 4040 Commercial RO Membrane (ULP-4040: 2600GPD) size 4" x 40" good for Industrial, Agricultural, Whole House & more (2)

**Brand:** max water
**Price:** 188083 Ft
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your water game with industrial strength purity!

## Quick Answers

- **What is this?** Reverse Osmosis 4040 Commercial RO Membrane (ULP-4040: 2600GPD) size 4" x 40" good for Industrial, Agricultural, Whole House & more (2) by max water
- **How much does it cost?** 188083 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/451860055-reverse-osmosis-4040-commercial-ro-membrane-ulp-4040-2600gpd-size)

## Best For

- max water enthusiasts

## Why This Product

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

## Key Features

- • **Precision Filtration:** 99.35% impurity rejection rate ensures crystal-clear water, filtering contaminants down to 0.0001 microns.
- • **Versatile Integration:** Seamlessly compatible with top industry models like Dow Filmtec AG4040FF and GE XLE-4040 for flexible system upgrades.
- • **Engineered for Durability:** Robust 90 ft² active membrane area with BPA-free, ISO 9001 certified construction built to last 24-36 months.
- • **Industrial-Grade Capacity:** Delivers up to 2600 gallons of ultra-pure water daily—power your operations without compromise.
- • **Trusted American Innovation:** Designed by U.S. specialists for North American water conditions—experience reliable, long-lasting performance.

## Overview

Max Water's ULP-4040 Commercial RO Membrane is a premium 4" x 40" filtration powerhouse delivering up to 2600 gallons per day with 99.35% impurity rejection. Engineered in the U.S. with advanced thin film composite technology and ISO 9001 certification, it offers durable, BPA-free construction ideal for industrial, agricultural, and whole-house applications. Compatible with leading membrane models, this membrane ensures superior water quality and long-lasting performance tailored for North American water standards.

## Description

Buy Max Water Reverse Osmosis 4040 Commercial RO Membrane (ULP-4040: 2600GPD) size 4" x 40" good for Industrial, Agricultural, Whole House & more (2): Replacement Under-Sink Water Filters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Membrane - Good
Review: Gave these a try and we are running 3ppm now, a really good option.

## Features

- Premium Commercial Membrane: Our 4040 membrane features an impressive 90 ft² of active membrane area and an optimized 8-pound final product weight, delivering superior durability and performance over inferior alternatives. Expertly engineered by U.S. specialists, this membrane is tailored for North American water quality, ensuring long-lasting and dependable filtration.
- Optimal Purity & Performance: Achieve exceptional water quality with our ULP-4040 4" x 40" RO Membrane capable of producing UP TO 2600 Gallons Per Day, featuring a 99.35% impurity rejection rate, 600 psi Optimum Pressure: 100 psi (80-150) Salt Removal Rate: 99.20% PH levels and salt concentration < 2000 (pH 3-10) Maximum free chlorine tolerance: <0.1 ppm.
- Choosing the Right Membrane: Effectively filter contaminants like heavy metals (fluoride, lead, chromium), organic materials, and harmful minerals with a 0.0001 micron TFC membrane. Each membrane model is designed for specific water qualities, so understanding your water chemistry, pressure, and ppm is crucial for selection. Keep in mind that this membrane type is not suitable for whole-house filtration; a different setup is required for that purpose. Make sure to choose the appropriate model based on your unique water needs.
- Versatile & High Capacity: The ULP-4040 4 x 40 inch RO Membrane is designed for whole-house, agricultural, and industrial applications. This membrane delivers a robust capacity of 2,600 GPD and allows for seamless integration with industry-leading models, including Dow Filmtec AG4040FF, TW30-4040, and GE XLE-4040.
- Advanced and Improved Membrane Technology: Our labs in the United States utilize innovative thin film composite (TFC) membrane technology, engineered to provide superior performance and durability for efficient water filtration and desalination.
- ISO 9001 Certified Quality: Our ULP-4040 Membrane meets ISO 9001 standards, ensuring high-quality manufacturing processes and reliable performance for your water purification system.
- Durable & Long-Lasting: Shipped dry in a sealed package to maintain peak condition, the ULP-4040 Membrane is built for longevity, with a life expectancy of 24 to 36 months depending on water quality, temperature, and pressure. Constructed with BPA-free components, it ensures that no toxic plastic materials are used, making it safe for all water filtration needs.
- Trusted Expertise: With over 15 years in the water filtration industry, Max Water has delivered effective solutions and exceptional customer service to millions of families. Choose Max Water for reliable, high-quality filtration solutions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B29NCY45 |
| Best Sellers Rank | #128,503 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,686 in Replacement Under-Sink Water Filters |
| Brand | Max Water |
| Customer Reviews | 4.6 4.6 out of 5 stars (16) |
| Date First Available | May 25, 2022 |
| External Testing Certification | UL |
| Item Weight | 14 pounds |
| Item model number | 4040 |
| Manufacturer | Max Water |
| Material | Polypropylene (PP) |
| Number of Items | 2 |
| Product Benefits | Provides high-quality, pure water for industrial, agricultural, and whole-house use with a long-lasting durable design, suitable various filtration needs. |
| Product Dimensions | 4"D x 8"W x 40"H |
| Set Name | Pack of 2 |
| UPC | 680392206749 680392206909 |
| Unit Count | 1.0 Count |

## Product Details

- **External Testing Certification:** UL
- **Item Weight:** 14 Pounds
- **Material:** Polypropylene (PP)
- **Product Dimensions:** 4"D x 8"W x 40"H

## Images

![Reverse Osmosis 4040 Commercial RO Membrane (ULP-4040: 2600GPD) size 4" x 40" good for Industrial, Agricultural, Whole House & more (2) - Image 1](https://m.media-amazon.com/images/I/511GZDVqOJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Membrane
*by J***E on June 5, 2025*

Good

### ⭐⭐⭐⭐⭐ Review
*by I***N on February 3, 2025*

Gave these a try and we are running 3ppm now, a really good option.

## Frequently Bought Together

- Max Water Reverse Osmosis 4040 Commercial RO Membrane (ULP-4040: 2600GPD) size 4" x 40" good for Industrial, Agricultural, Whole House & more (2)
- Max Water - Heavy Duty - Reverse Osmosis 4040 Membrane Housing - 4" x 40" good for industrial use - 4040 housing

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-28*