---
product_id: 17413352
title: "ULP21 4040 Commercial 2400gpd Reverse Osmosis RO Membrane Low Pressure"
brand: "vontron"
price: "VT15779"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/17413352-ulp21-4040-commercial-2400gpd-reverse-osmosis-ro-membrane-low-pressure
store_origin: VU
region: Vanuatu
---

# ULP21 4040 Commercial 2400gpd Reverse Osmosis RO Membrane Low Pressure

**Brand:** vontron
**Price:** VT15779
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** ULP21 4040 Commercial 2400gpd Reverse Osmosis RO Membrane Low Pressure by vontron
- **How much does it cost?** VT15779 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/17413352-ulp21-4040-commercial-2400gpd-reverse-osmosis-ro-membrane-low-pressure)

## Best For

- vontron enthusiasts

## Why This Product

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

## Description

The Vontron ULP21-4040 40inch Commercial Reverse Osmosis RO Membrane is ideal for production of pure water for many applications. Working under the conditions of ultra low operating pressure, ULP membrane series can achieve as high permeated flow and rejection rate as regular low-pressure membranes can, it rus under approximately two thirds pressure of that regular low pressure compound membranes, and can achieve a rejection rate of as high as 98%. This membrane is capable of producing 2400 gallons of product water per day, and is ideal for Window Cleaning applications, along with Aquatics. Please see detailed manufacturers specification below: Technical parameter for Vontron 4040 RO membrane ULP21-4040 Performance Stable property desalinization rate % 99 Lowest desalinization rate % 98.5 Volume GPD (m--3/d) 2400(9.1) Effective membrane area ft2(m2) 85(7.9) Test condition Test pressure 150pai(1.03Mpa) Test fluid temperature 25°C

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00I1GCX1O |
| Brand Name | Vontron |
| External Testing Certification | NSF |
| Manufacturer | Vontron |
| Manufacturer Part Number | ULP21-4040 |
| Model Number | ULP21-4040 |
| Number of Items | 1 |
| Product Benefits | Achieves up to 98% impurity rejection rate and produces 2400 gallons of pure water per day. |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Vontron
- **External Testing Certification:** NSF
- **Number of Items:** 1
- **Product Benefits:** Achieves up to 98% impurity rejection rate and produces 2400 gallons of pure water per day.
- **Unit Count:** 1.0 Count

## Images

![ULP21 4040 Commercial 2400gpd Reverse Osmosis RO Membrane Low Pressure - Image 1](https://m.media-amazon.com/images/I/217oRLvaOKL.jpg)

## Frequently Bought Together

- Vontron ULP21 4040 Commercial 2400gpd Reverse Osmosis RO Membrane Low Pressure
- HM Digital DM-1 in-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

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**Shop now:** [https://www.desertcart.vu/products/17413352-ulp21-4040-commercial-2400gpd-reverse-osmosis-ro-membrane-low-pressure](https://www.desertcart.vu/products/17413352-ulp21-4040-commercial-2400gpd-reverse-osmosis-ro-membrane-low-pressure)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-03*