- Home Page /
- Tools & Home Improvement /
- Kitchen & Bath Fixtures /
- Water Filtration & Softeners /
- Replacement Water Filters /
- Replacement Under-Sink Water Filters /
- 4" x 40" BW-4040 Reverse Osmosis Membrane for...
0 ratings
Item #:
129541388
4" x 40" BW-4040 Reverse Osmosis Membrane for Desalination of Brackish Water, Perfect for Commercial, Industrial, Whole House, NSF Certified, 99.5%
Item #:
129541388
ANG 595
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Tuesday, August 04
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The BW-4040 reverse osmosis membrane delivers exceptional performance with a 99% desalination rate, ensuring clean, pure, safe water for your business.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
High Desalination Rate
Achieving an impressive 99.5% desalination rate, this membrane effectively removes impurities from brackish water, ensuring reliable and clean water for various applications.
Large Capacity
With a flow rate of 2400 gallons per day, this membrane is designed for commercial and industrial use, catering to high-demand water purification needs with efficiency and reliability.
NSF Certified
This product's NSF certification assures users of its safety and quality, making it a trustworthy choice for whole house systems focused on effective water purification.
Product Details
| Model Number | BW-4040 |
| Product Benefits | Reduces Barium |
| Brand Name | Top Sojourn |
| Set Name | BW-4040 |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | Top Sojourn |
| Included Components | BW-4040 Reverse Osmosis |
| Material Type | Plastic |
| Item Dimensions D x W x H | 4"D x 40"W x 4"H (10.2 x 101.6 x 10.2 cm) |
| External Testing Certification | ISO 9001 |
| Material | Plastic |
| Product Dimensions (L x W x H) | 4"D x 40"W x 4"H (10.2 x 101.6 x 10.2 cm) |
| Brand | Top Sojourn |
| Country of Origin | This item will be imported from US |
| Date First Available | April 01, 2025 |
| What is in the box | 4"x 40"BW-4040... For more details, please check description/product details |
Who Should Buy?
-
Commercial Users
Ideal for businesses needing reliable water filtration, ensuring high-quality water for operations and customer satisfaction.
-
Industrial Applications
Well-suited for industrial facilities that require consistent desalination rates for machinery and process water.
-
Whole House Systems
Perfect for residential setups looking for safe, clean water supply throughout the household, enhancing health and comfort.
-
Small Households
Not ideal for small homes with low water demand, as it may be more cost-effective to use smaller systems.
Product Description
4" x 40" BW-4040 Reverse Osmosis Membrane for Desalination of Brackish Water, Perfect for Commercial, Industrial, Whole House, NSF Certified, 99.5% Desalination Rate, 2400 GPD
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the BW4040 RO Membrane used for?
Answer: The BW4040 RO Membrane is designed for reverse osmosis water filtration systems, effectively removing a wide range of contaminants from water. Its primary function is to reduce dissolved solids, heavy metals, and impurities, ensuring that the water you consume is clean and safe. This membrane is commonly utilized in residential water purification systems, commercial applications, and in various industries where clean water is essential. -
Question:
How does the BW4040 RO Membrane work?
Answer: The BW4040 RO Membrane operates on the principle of reverse osmosis, where water is forced through a semi-permeable membrane. This membrane has tiny pores that allow water molecules to pass while blocking larger molecules like salts and contaminants. By applying pressure to the water, the osmotic process is reversed, leading to purified water on one side and concentrated contaminants on the other. This technology is crucial in producing high-quality drinking water directly from tap sources. -
Question:
What is the lifespan of a BW4040 RO Membrane?
Answer: The lifespan of a BW4040 RO Membrane typically ranges from 2 to 5 years, depending on water quality and usage patterns. Factors such as the presence of chlorine, sediment levels, and frequency of water use can significantly impact lifespan. Regular maintenance and optimal pre-filtration can extend the life of the membrane, ensuring consistent performance and water quality throughout its use. Monitoring the water quality and changing filters as needed can help achieve the best results. -
Question:
How do I install a BW4040 RO Membrane?
Answer: Installing a BW4040 RO Membrane involves a few straightforward steps. First, ensure that your reverse osmosis system is compatible with this specific membrane size. Next, turn off the water supply and remove the housing unit containing the old membrane. Insert the BW4040 membrane into the housing, making sure the arrow indicating water flow is pointing in the correct direction. Finally, reassemble the unit and turn the water back on. It's advisable to refer to the system's manual for specific installation instructions. -
Question:
Can the BW4040 RO Membrane be cleaned?
Answer: Yes, the BW4040 RO Membrane can be cleaned, but it's essential to note that cleaning may not restore the membrane to its original performance. If your membrane is fouled by particulates or biological growth, using a cleaning solution specifically designed for RO membranes can help. Often, cleaning extends the membrane's functionality temporarily, but eventually, if the performance does not meet standards, replacing the membrane is the best option for optimal water quality. -
Question:
What contaminants can the BW4040 RO Membrane remove?
Answer: The BW4040 RO Membrane efficiently removes various contaminants, including dissolved salts, heavy metals such as lead and copper, chlorine, fluoride, and many other harmful substances. This makes it a highly effective solution for ensuring the purity of drinking water. By using this membrane in your filtration system, you can significantly reduce health risks associated with consuming contaminated water, making it indispensable for both home and industrial applications. -
Question:
Is the BW4040 RO Membrane suitable for well water?
Answer: Yes, the BW4040 RO Membrane is suitable for treating well water. Well water often contains high levels of dissolved solids, bacteria, and other contaminants. This membrane's advanced filtration capabilities can address these issues effectively. For optimal performance, it is advisable to conduct a water quality test to determine necessary pre-treatment before using the membrane in your system. This ensures that the water quality meets health and safety standards. -
Question:
What flow rate can I expect from the BW4040 RO Membrane?
Answer: The flow rate of the BW4040 RO Membrane generally varies based on the water pressure and temperature but typically ranges from 50 to 100 gallons per day. Higher water pressure and warmer water temperatures can enhance the flow rate. If consistent water output is essential for your needs, consider factors such as system design and pre-treatment solutions that could improve performance, ensuring a steady and sufficient supply of purified water. -
Question:
How do I know when to replace my BW4040 RO Membrane?
Answer: Indicators for replacing the BW4040 RO Membrane include a noticeable decrease in water quality, such as changes in taste or odor, a reduction in production rate, or an increase in water pressure drop across the membrane. Additionally, regular monitoring of TDS (total dissolved solids) levels can provide insight; an increase in TDS levels often signals the need for membrane replacement. Keeping an eye on these factors will help maintain optimal water purity. -
Question:
Where can I buy BW4040 RO Membrane in Sint Maarten?
Answer: You can buy the BW4040 RO Membrane from Ubuy, which offers a variety of water filtration products, including this specific membrane. Ubuy provides a streamlined shopping experience, ensuring you have access to essential water purification technology right at your fingertips. With Ubuy, you can also explore other accessories and replacement parts for your RO systems to enhance your water filtration setup.
Top Sojourn Replacement Under-Sink Water Filters BW-4040 Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
ANG 595
Order now and get it around Tuesday, August 04
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- High water yield of 2400 GPD for efficient water treatment.
- Impressive 99% desalination rate for superior impurity removal.
- Advanced filtration down to 0.0001 micron for thorough purification.
- Crafted from certified safe materials, free from harmful toxins.
- Durable design with glass fiber casing for long-lasting performance.
- Ideal for car wash, whole house, and various industrial applications.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.