What is the salt rejection rate?

The salt rejection rate is up to 99.5%. Specific models like 1812-BW50/75/100 have a 97% rejection rate, while 4040-LP and 8040-LP achieve 99.5%.

What is the lead time for orders?

The average lead time is within 15 workdays for both peak season and off-season.

Premium 1812-75 Reverse Osmosis Membrane for Home Water Filtration

Name: Premium 1812-75 Reverse Osmosis Membrane for Home Water Filtration
Brand: Hangzhou Haina Environmental Protection Tech Co., Ltd.
SKU: 2032074135

Zhejiang, ChinaHangzhou Haina Environmental Protection Tech Co., Ltd.

US$3.50

200-499 Pieces

US$3.35

500-999 Pieces

US$3.05

1,000+ Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO9001, RoHS, NSF

Salt Rejection Rate

99.5%

Model NO.

1812-75 High Quality Water Treatment Ro Membrane L

Application

Industry

Capacity

10000-12650

Material

RO Membrane

Medium Material

RO Membrane

Cartridge Filter

RO Membrane

Filter Bag Filter

RO Membrane

Type

RO Membrane

Usage

Water Treatment

Filtration Grade

RO Membrane

Filter Bag Sectional Shape

RO Membrane

Filter Bag Environment

Water Treatment

Cartridge Installation

RO Membrane

Gallons Per Day

Desalination Rejection Rate

95%

Testing Pressure

70psi

Nacl Solution

250 Ppm

Sample

Yes

NSF

Yes

RO Membrane Price RO Membrane HID Tfc-18

Membrane RO Domestic Vontron Membrane 75gpd RO for

Industrial Water Purifier System RO Wate

Domestic RO Membrane 80gpd Reverse Osmosis Water

RO Membrane Vontron 4040 Water Reverse O

Best Quality 600gpd Reverse Osmosis Membrane Water

RO Membrane Water Filter with Reverse O

4 Inch Industrial RO Membrane Vontron Membrane Ulp

Dring Water Purifier Reverse Osmosis Von

UF Membrane Housing 4040 for RO Water Purifier Om

8040 Reverse Osmosis Membrane Manufactur

China Seawater Membrane RO Membrane for S

Customize 3013 400g 500g 600g Household

97% Desalination 1812 2012 2812 3012 3013 Ulp Hous

Residential Membrane Elements/Household

Widely Used Quality 50g 75g Water Purifier Spare P

RO Reverse Osmosis Membrane Price

View Larger Image Add to Compareshare

Transport Package

25/PC 3.20*3.20*3.40(M)/PC

Specification

44mm*298mm 0.2KG

Trademark

HYNAMO

Origin

China

HS Code

8421991000

Production Capacity

300000/Month

Key features

18-Year Industry Experience: 17 years in R&D and manufacturing with core membrane technology expertise.

High Salt Rejection: Up to 99.5% salt rejection rate for effective water purification.

Low Pressure Efficiency: ULP series operates at 2/3 conventional pressure for high flow.

Broad Application: Suitable for surface, groundwater, tap water, and industrial use.

12-Month Warranty: All products covered by a 12-month warranty with quality reports.

Customization Options: OEM and ODM services available for various membrane models.

Global Export: Exported to US, Japan, Korea, India, Pakistan, and Middle East.

Company profile

Hangzhou Haina Environmental Protection Tech Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2005-04-10 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.48h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHangzhou Haina Environmental Protection Tech Co., Ltd. is a China-based manufacturer/factory specializing in water-treatment products, including RO membranes, RO systems, desalination, wastewater treatment equipment, filter cartridges, and membrane shells. It reports BSCI, ISO 9001, and ISO 14001 certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. The supplier has exported since 2005, with exports accounting for 41%–50% of total sales and distribution partly through agents. Its stated capabilities include technical advice, customer-specific technical solutions, standardized management, and automated equipment improvements. However, the provided information does not establish documented after-sales performance, customer cases, or independently verifiable innovation outcomes.

Supplier typeThe supplier is identified as a manufacturer/factory and limited company located in Yuhang District, Hangzhou, Zhejiang, China. Its associated industry is manufacturing, and its stated business scope covers industrial equipment and processing machinery, including water-treatment products.

CertificationsThe supplier reports holding BSCI, ISO 9001, and ISO 14001 management-system certifications. These certifications provide explicit evidence of formal social-compliance, quality-management, and environmental-management systems, although certificate validity and scope are not provided.

R&D capabilityThe supplier reports 6–10 R&D engineers and states that it has pursued innovation, standardized management, and automated equipment transformation since 2013. These are explicit capability indicators, but no specific patented technologies, new products, or measurable innovation results are provided.

Production capacityThe supplier operates more than 10 production lines, employs 6–10 quality-control staff, and reports standardized management and automated equipment improvements. Its factory status and production infrastructure support substantial manufacturing capability, although actual capacity utilization and lead-time performance are not stated.

Customization capabilityThe supplier explicitly states that its technical team provides targeted professional advice and technical solutions for each customer, indicating an ability to address customer-specific technical requirements. The slices do not specify customization scope, engineering workflow, minimum order conditions, or examples of completed customized products.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a manufacturer with our own factory and cooperation with other factories. Haiana has an 18-year background in the reverse osmosis membrane industry with independent R&D personnel and engineering, mastering core technology of high salt water purification.

Q:What is the warranty period?

All products are covered by a 12-month warranty. Factory quality inspection reports and factory photos can be provided for your reference.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity varies by model. For household membranes, the minimum is 100 (two boxes). For industrial membranes, the minimum is five pieces. Differences also apply to OEM orders.

Q:What are the advantages of your products?

Our technical advantage lies in high desalination technology with a unique polyamide coating process. Household membranes can handle 3,000-6,000 ppm water quality, and seawater membranes can handle 30,000-40,000 ppm, offering significant cost advantages.

Q:What is your quality guarantee policy?

We maintain zero customer complaints on 3G and 4G products. If a quality problem occurs, we guarantee replacement and are responsible for freight costs according to a reasonable verification process.