DOW Filmtec TW30-1812-75 Reverse Osmosis Membrane – Reliable 75 GPD Water Purification
The DOW Filmtec TW30-1812-75 membrane is a high-performance reverse osmosis (RO) element designed to deliver safe, clean, and great-tasting water for residential and small-scale systems. With a daily production capacity of up to 75 gallons (284 liters), this membrane offers an excellent balance between efficiency and output, making it a popular choice for households that need a steady supply of pure drinking water.
Backed by DuPont Filmtec’s advanced RO technology, this membrane ensures a nominal salt rejection rate of 99.5%, effectively removing contaminants such as dissolved salts, heavy metals, pesticides, nitrates, and harmful microorganisms. Its compact 1.8-inch diameter and 12-inch length make it compatible with most standard residential RO housings, providing reliable performance without requiring excessive space.
✔ Key Features
- Daily Capacity: Produces up to 75 gallons per day (284 liters/day).
- High Salt Rejection: Nominal 99.5% contaminant removal efficiency.
- Compact Design: Standard 12″ x 1.8″ size, compatible with residential RO systems.
- Durable Construction: Built with thin-film composite (TFC) membrane technology for long-lasting reliability.
- Energy-Efficient Operation: Delivers high-quality water with minimal energy consumption.
- Trusted Brand: Manufactured by DOW Filmtec (DuPont), a leader in RO technology.
✔ Why Choose the TW30-1812-75 Membrane?
1. Perfect Capacity for Families
With a 75 GPD output, the TW30-1812-75 provides enough purified water for drinking, cooking, and daily household needs. It offers more output than the 50 GPD model while maintaining efficiency, making it ideal for medium to large households.
2. Superior Contaminant Rejection
Delivering a 99.5% nominal salt rejection rate, this membrane ensures the effective removal of harmful contaminants like arsenic, lead, fluoride, nitrates, chlorine, and microbial impurities. It guarantees safe, fresh-tasting water every time.
3. Long-Lasting & Reliable
The TFC construction makes the membrane highly durable under normal operating conditions. With proper pre-filtration and maintenance, it offers years of dependable service, reducing replacement frequency.
4. Compact & Compatible
The standard 1812 housing size ensures compatibility with most under-sink RO units, countertop RO filters, and portable systems, making installation and replacement simple.
5. Cost-Effective Solution
By eliminating the need for bottled water, this membrane not only saves money but also contributes to environmental sustainability by reducing plastic waste.
✔ Applications
The DOW Filmtec TW30-1812-75 membrane is widely used in:
- Residential Water Filtration Systems – Safe drinking water for homes and families.
- Apartments & Offices – Compact design suitable for small spaces.
- Restaurants & Cafés – Provides high-quality water for cooking and beverages.
- Medical & Dental Clinics – Ensures reliable water purity for sensitive applications.
- Aquariums – Produces clean water, ideal for aquatic environments.
- Portable RO Systems – Travel and space-friendly water purification.
✔ Technical Specifications
| Specification | Details |
|---|---|
| Model | DOW Filmtec TW30-1812-75 |
| Application | Residential & Small-Scale RO Systems |
| Permeate Flow Rate | 75 GPD (284 liters/day) |
| Salt Rejection (Nominal) | 99.5% |
| Membrane Type | Thin Film Composite (TFC) |
| Element Length | 12 inches |
| Element Diameter | 1.8 inches |
| Operating Pressure | ~50–60 psi |
| Operating Temperature | 4°C – 45°C |
| Chlorine Tolerance | Low – requires carbon pre-filtration |
✔ Benefits of Using the Filmtec TW30-1812-75
- Balanced Output – Ideal capacity for medium water demand.
- High Purity Levels – Delivers safe, clean, and great-tasting water.
- Reliable Durability – Built to last with quality DOW Filmtec technology.
- Flexible Applications – Suitable for homes, offices, and small businesses.
- Eco-Friendly – Reduces bottled water dependency and plastic pollution.
✔ Conclusion
The DOW Filmtec TW30-1812-75 membrane is a reliable, high-performance, and compact solution for residential and small-scale RO water systems. With its 75 GPD capacity, 99.5% salt rejection rate, and durable construction, it ensures consistent water quality while meeting the needs of medium to large households.
Whether used in a home, office, café, or specialized setup like aquariums or medical clinics, the TW30-1812-75 provides pure, safe, and cost-effective water purification. It represents a smart investment for anyone looking to enhance water quality while maintaining affordability and long-term reliability.