---
product_id: 545634203
title: "4040 Ro Membrane RO Membrane Housing 4 Inch Commercial Reverse Osmosis Membrane Housing 304 Stainless Steel Pressure Vessel 4\"x40\" 300 PSI 3/4\" Feed and Drain Ports 1/4\" Permeate Ports"
brand: "lesolar"
price: "₨71905"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/545634203-4040-ro-membrane-ro-membrane-housing-4-inch-commercial-reverse
store_origin: LK
region: Sri Lanka
---

# Precision 3/4" & 1/4" FNPT ports 304 stainless steel build 300 PSI pressure rating 4040 Ro Membrane RO Membrane Housing 4 Inch Commercial Reverse Osmosis Membrane Housing 304 Stainless Steel Pressure Vessel 4"x40" 300 PSI 3/4" Feed and Drain Ports 1/4" Permeate Ports

**Brand:** lesolar
**Price:** ₨71905
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your water purification game with industrial-grade reliability!

## Quick Answers

- **What is this?** 4040 Ro Membrane RO Membrane Housing 4 Inch Commercial Reverse Osmosis Membrane Housing 304 Stainless Steel Pressure Vessel 4"x40" 300 PSI 3/4" Feed and Drain Ports 1/4" Permeate Ports by lesolar
- **How much does it cost?** ₨71905 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/545634203-4040-ro-membrane-ro-membrane-housing-4-inch-commercial-reverse)

## Best For

- lesolar enthusiasts

## Why This Product

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

## Key Features

- • **Leak-Proof Design:** Double O-ring end caps provide superior sealing to prevent leaks and maintain system integrity.
- • **Built to Withstand:** Engineered for up to 300 PSI, ensuring robust performance under high pressure.
- • **Optimized Flow Ports:** 3/4" feed and drain with 1/4" permeate FNPT ports for seamless integration and efficient water flow.
- • **Premium Stainless Steel:** 304-grade stainless steel housing guarantees corrosion resistance and longevity.
- • **Complete Installation Kit:** Includes stainless steel clamps, hardware, and brackets for hassle-free setup and durability.

## Overview

The lesolar 4040 RO Membrane Housing is a 4"x40" commercial-grade pressure vessel crafted from 304 stainless steel, designed to handle up to 300 PSI. Featuring double O-ring seals and precision FNPT ports (3/4" feed/drain and 1/4" permeate), it ensures leak-proof, efficient operation. Complete with stainless steel clamps and mounting hardware, it’s built for durability and easy installation in professional reverse osmosis systems.

## Description

Full description not available

## Features

- Resistant: The RO Membrane Housing 4 Inch 4040 is made of high-quality materials that ensure its durability and long-lasting performance
- superior Sealing: 4040 ro membrane include double O-ring end port caps
- Working Pressure: The membrane housing build for pressures up to 300PSI
- Feed/Concentrate Connection: 3/4" feed and drain ports (FNPT) 1/4" permeate ports (FNPT)
- Included: Membrane housing includes stainless steel clamps, stainless steel hardware and brackets

## Product Details

- **Material:** Stainless Steel
- **Product Dimensions:** 42.91"D x 6.7"W x 4.64"H
- **Item Weight:** 10.4 Pounds
- **External Testing Certification:** No
- **Product Benefits:** Inhibits Lime-Scale Growth

## Images

![4040 Ro Membrane RO Membrane Housing 4 Inch Commercial Reverse Osmosis Membrane Housing 304 Stainless Steel Pressure Vessel 4"x40" 300 PSI 3/4" Feed and Drain Ports 1/4" Permeate Ports - Image 1](https://m.media-amazon.com/images/I/61Vj2dMo70L.jpg)

## Frequently Bought Together

- lesolar 4040 Ro Membrane RO Membrane Housing 4 Inch Commercial Reverse Osmosis Membrane Housing 304 Stainless Steel Pressure Vessel 4"x40" 300 PSI 3/4" Feed and Drain Ports 1/4" Permeate Ports
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**Shop now:** [https://www.desertcart.lk/products/545634203-4040-ro-membrane-ro-membrane-housing-4-inch-commercial-reverse](https://www.desertcart.lk/products/545634203-4040-ro-membrane-ro-membrane-housing-4-inch-commercial-reverse)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-22*