DOW / Filmtec Membranes
Residential/Home Drinking Water Elements
Model No.

Permeate
Flow Rate (GPD)

Test Pressure (psig)
Stabilized Rejection
TW30-1812-24
24
50
>98%
TW30-1812-36
36
50
>98%
TW30-1812-50
50
50
>98%
TW30-1812-75
75
50
>98%
TW30-1812-100
100
50
90%
Tape-Wrapped Filmtec Membranes for Commercial Applications
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
TW30-2026 220 225 2"×26" 99.0% Download
TW30-2514 200 225 2.5"×14" 99.0% Download
TW30-2521 325 225 2.5"×21" 99.0% Download
TW30-2540 850 225 2.5"×40" 99.5% Download
XLE-2540 850 100 2.5"×40" 99.0% Download
TW30-4014 525 225 4"×14" 99.0% Download
TW30-4021 900 225 4"×21" 99.0% Download
XLE-4021 1,025 100 4"×21" 99.0% Download
TW30-4040 2,400 225 4"×40" 99.5% Download
LP-4040 2,700 145 4"×40" 99.2% Download
XLE-4040 2,600 100 4"×40" 99.0% Download
FRP-Wrapped RO Elements for Light Industrial Applications
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
BW30-2540 850 225 2.5"×40" 99.5% Download
BW30-4040 2,400 225 4"×40" 99.5% Download
BW30LE-4040 2,300 150 4"×40" 99.2% Download
High Rejection Brackish Water Elements
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
BW30-4040 2,400 225 4"×40" 99.5% Download
BW30-365 9,500 225 8"×40" 99.5% Download
BW30-400 10,500 225 8"×40" 99.5% Download
BW30-400/34i** 10,500 225 8"×40" 99.5% Download
BW30-440i** 11,500 225 8"×40" 99.5% Download
Low Energy RO Elements
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
BW30LE-4040 2,300 150 4"×40" 99.2% Download
LE-400 12,000 150 8"×40" 99.3% Download
BW30LE-440 11,500 150 8"×40" 99.2% Download
XLE-440 12,700 100 8"×40" 99.0% Download
LE-440i** 13,200 150 8"×40" 99.3% Download
Fouling Resistant Elements
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
BW30-365-FR 9,500 225 8"×40" 99.5% Download
BW30-400-FR 10,500 225 8"×40" 99.5% Download
Full-Fit Elements for Sanitary Water Purification
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
RO-4040-FF 1,650 225 4"×40" 99.5% Download
HSRO-4040-FF 1,900 150 4"×40" 99.5% Download
RO-390-FF 11,500 225 8"×40" 99.5% Download
HSRO-390-FF 9,000 150 8"×40" 99.5% Download
Marine Elements - 2.5" & 4" Diameter
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
SW30-2514 150 800 2.5"×14" 99.75% Download
SW30-2521 300 800 2.5"×21" 99.4% Download
SW30-2540 700 800 2.5"×40" 99.4% Download
SW30-4021 800 800 4"×21" 99.4% Download
SW30-4040 1,950 800 4"×40" 99.4% Download
SW30HRLE-4040 1,550 800 4"×40" 99.4% Download
Large Diameter Seawater Elements
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
SW30-380 9,000 800 8"×40" 99.4% Download
SW30HR-320 6,000 800 8"×40" 99.75% Download
SW30HR-380 6,000 800 8"×40" 99.7% Download
SW30HRLE-4040 7,500 800 8"×40" 99.75% Download
SW30HRLE-400 7,500 800 8"×40" 99.75% Download
SW30XLE-400i** 9,000 800 8"×40" 99.7% Download
SW30HR LE-400i** 7,500 800 8"×40" 99.75% Download
High Rejection Nanofiltration
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
NF90-4040 1,500 70 4"×40" 85-95% Download
NF90-400 7,500 70 8"×40" 85-95%
Lowest Pressure Nanofiltration
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
NF270-4040 2,500 70 4"×40" 40-60% Download
NF270-400 12,500 70 8"×40" 40-60%
Nanofiltration for Pesticide Removal
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
NF200-4040 1,350 70 4"×40" 35-50% Download
NF200-400 6,800 70 8"×40" 35-50%
Nanofiltration for Process Applications
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure
(psig)
Size
(Dia."xLength")
Stabilized Rejection*
NF-2540 920 130 2.5"×40" >99% Download
NF-4040 2,700 130 4"×40" >99% Download
NF-400 11,000 130 8"×40" >99% Download
Semiconductor Grade RO Elements
Model No.

Permeate
Flow Rate* (GPD)

Test Pressure (psig) Size (Dia"xLength")
SG30-400 10,200 225 8"×40" Download
SG30LE-430 10,000 150 8"×40" Download