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DOW FilmTec Membranes
DOW FILMTEC offers a variety of low energy and high rejection FILMTEC reverse osmosis elements for small commercial operations such as car washes and resort applications.

  • DOW FILMTEC TW30 elements are an industry standard for reliable operation and production of high quality water. These features a 34 mil feed spacer to lessen the impact of fouling and may be cleaned over a wide pH range (pH 1-13) for the most effective cleaning. 
  • DOW FILMTEC LP & XLE elements deliver high performance at low pressure resulting in less energy usage and lower costs.

FilmTec Commercial RO Membrane Elements (TW30)

Model No.

Permeate Flow Rate

Size
(Dia.× Length)

Single Element Recovery

Applied Pressure

Stabilized Salt Rejection

TW30-2514

200 gpd
(0.8 m³/d)

2.5" × 14"

5%

225 psi

99.5%

TW30-2521

325 gpd
(1.2 m³/d)

2.5" × 21"

8%

225 psi

99.5%

TW30 PRO-2540

1000 gpd
(3.7 m³/d)

2.5" × 40"

15%

225 psi

99.7%

TW30-4014

525 gpd
(2.0 m³/d)

4" × 14"

5%

225 psi

99.5%

TW30-4021

900 gpd
(3.4 m³/d)

4" × 21"

8%

225 psi

99.5%

TW30 PRO-4040

2600 gpd
(9.8 m³/d)

4" × 40"

15%

225 psi

99.7%

Low Energy - Low Pressure Membrane Elements (XLE)

Model No.

Permeate Flow Rate

Size
(Dia.× Length)

Single Element Recovery

Applied Pressure

Stabilized Salt Rejection

XLE-2521

365  gpd
(1.4 m³/d)

2.5" × 21"

10%

100 psi

99.0%

XLE PRO-2540

1200  gpd
(4.5 m³/d)

2.5" × 40"

15%

125 psi

99.0%

XLE-4021

1025  gpd
(3.9 m³/d)

4" × 21"

5%

100 psi

99.0%

XLE PRO-4040

2750  gpd
(10.4 m³/d)

4" × 40"

15%

125 psi

99.0%

Product Availability Notes

  • TW30-2540 and TW30-4040 has been discontinued by the manufacturer and is no longer available.  TW30 PRO-2540 and TW30 PRO-4040 are the recommended replacements.
  • XLE-2540 and LP-2540 have been discontinued by the manufacturer and are no longer available. XLE PRO-2540 is the recommended replacement.
  • XLE-4040 and LP-4040 have been discontinued by the manufacturer and are no longer available. XLE PRO-4040 is the recommended replacement.

Performance Specifications Notes

  • Permeate flow and salt rejection based on the following test conditions: TW30 2,000 ppm NaCl feed stream XLE 500 ppm NaCl feed stream, 77°F (25°C) and the pressure & recovery rates listed above.
  • Permeate flows for individual elements may vary +/-20%.
  • For the purpose of improvement, specifications may be updated periodically.

Benefits of FilmTec Tap and Brackish Water Commercial Elements

  • Reverse Osmosis removes up to 99.7% of total dissolved solids.
  • RO membranes remove dissolved impurities such as chloride, lead, chromate, fluoride, bacteria and others. Click here to view the nominal rejection characteristics of thin film membranes.
  • LP & XLE elements reduce operating costs due to lower energy requirements.
  • TW30 elements provide longer life due to increased resistance to fouling.

FilmTec Commercial Reverse Osmosis Membrane Element Features

  • High flux results in high yields
  • High rejection provides good water quality
  • Low Energy Usage Reduces Power Consumption and Costs
  • Durable with Good Cleanability for Long Element Life
  • FilmTec performance and quality
  • FDA – 21 CFR 177.2550; Food and Drug Administration Compliant.
DOW Filmtec Commercial RO Membranes are FDA Compliant Genuine DOW FilmTec Membranes

Applications for FilmTec Commercial RO Membrane Elements

  • Commercial Water Treatment Systems
  • Food Service
  • Medical and Research Institutions
  • Hospitality Industry
  • Commercial Water Demineralization
  • Restaurants
  • Aquariums
  • Whole House (Residential)
  • Office
  • Institutions 
  • Hotels 
  • Hospitals
  • Disaster Relief
  • Spot Free Rinse/Car Wash 
  •  Labs
  • Pharmaceutical
  • Humidification 
  • Misting  
  • Manufacturing 
  • Rinse Water 
  • Bottled Water
  • Water stores
  • Beverage
  • Food Processing
  • Ice Makers
  • Commercial Water Treatment
  • Wide Variety of Other Applications

Discontinued FILMTEC Membranes

The below DuPont (formerly DOW) FilmTec Membrane Elements have been discontinued by the manufacture and availability is limitd to quantity on hand.  Please reference the table below for the specifications of these retired models, as well as the recommended replacement model

Retired Model No.
(No Longer Available)

   Replaced By:

 Comparison of Retired and Replacement Model Specifications  
[ Retired | Replacement ]

Permeate Flow Rate (gpd)

Applied Pressure (psi)

Minimum Salt Rejection (%)

Stabilized Salt Rejection (%)
TW30-2540 TW30 PRO-2540

1,000 | 1,000

225 | 225

98.0 | 99.5

99.5 | 99.7
TW30-4040 TW30 PRO-4040 2,400 | 2,600 225 | 225 98.0 | 99.5 99.5 | 99.7
LP-2540 XLE PRO-2540 1,000 | 1,200 145 | 125 97.0 | 97.0 99.2 | 99.0
LP-4040 XLE PRO-4040 2,900 | 2,750 145 | 125 97.0 | 97.0 99.2 | 99.0
XLE-2540 XLE PRO-2540 850 | 1,200 100 | 125 97.0 | 97.0 99.0 | 99.0
XLE-4040 XLE PRO-4040 2,600 | 2,750 100 | 125 97.0 | 97.0 99.0 | 99.0

Similar FilmTec RO Membrane Products

Products for Use with FILMTEC Commercial Elements

Technical Documents for FilmTec Commercial RO Elements