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These membranes are the most common for domestic home systems
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Genuine Dow Filmtec Reverse Osmosis Membranes Thin film composite (TFC)
Also known as PA (polyamide) Prices include Postage and GST
TW30-1812-36 (140 litres per day) $75.00
TW30-1812-50 (200 litres per day) $80.00
TW30-1812-75 (300 litres per day) $85.00
TW30-1812-100 (400 litres per day) $95.00
Be aware that there are now Chinese copies of Dow Filmtec membranes being passed off as genuine and it is very difficult to tell them apart. In response to this Dow Filmtec have now put a serial number on each membrane so you can go on their site to see if what you have purchased is a genuine article, they also have put a hologram on the membranes as well.
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Below this point are all commercial type membranes.
Commercial membrane prices do not include GST or Freight (in Australia).
Dow Filmtec TW, LP & XLE Series
| PART NUMBER |
SIZE (INCHES) |
FLOW RATE GPD |
PRICE EA 1-2 |
PRICE EA 3 OR MORE |
| TW30-2013 |
1.8 X 13 |
100 |
$125.00 |
$115.00 |
| TW30-2026 |
1.8 X 26 |
220 |
$255.00 |
$240.00 |
| TW30-2514 |
2.4 X 14 |
170 |
$215.00 |
$200.00 |
| TW30-2521 |
2.4 X 21 |
300 |
$290.00 |
$270.00 |
| TW30LE-2521 |
REPLACED BY XLE-2521 |
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| XLE-2521 |
2.4 X 21 |
330 |
$350.00 |
$315.00 |
| TW30-2526 |
2.5 X 26 |
425 |
$370.00 |
$333.00 |
| TW30HP-2526 |
2.5 X 26 |
600 |
$420.00 |
$378.00 |
| TW30-2540 |
2.4 X 40 |
650 |
$425.00 |
$380.00 |
| TW30HP-2540 |
2.4 X 40 |
1000 |
$465.00 |
$418.00 |
| LP-2540 |
2.4 X 40 |
1000 |
$450.00 |
$405.00 |
| TW30LE-2540 |
REPLACED BY XLE-2540 |
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| XLE-2540 |
2.4 X 40 |
770 |
$450.00 |
$405.00 |
| TW30-4014 |
3.9 X 14 |
480 |
$525.00 |
$472.00 |
| TW30-4021 |
3.9 X 21 |
900 |
$550.00 |
$495.00 |
| TW30LE-4021 |
REPLACED BY XLE 4021 |
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| XLE-4021 |
3.9 X 21 |
1000 |
$575.00 |
$517.00 |
| TW30-4040 |
3.9 X 40 |
2200 |
$635.00 |
$570.00 |
| TW30HP-4040 |
REPLACED BY LP-4040 |
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| TW30LE-4040 |
REPLACED BY XLE-4040 |
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| LP-4040 |
3.9 X 40 |
2700 |
$695.00 |
$625.00 |
| XLE-4040 |
3.9 X 40 |
2400 |
$680.00 |
$612.00 |
| TW30HP-4611 |
4.6 X 11 |
1200 |
$900.00 |
$810.00 |
| TW30HP-4619 |
4.6 X 19 |
1450 |
$1150.00 |
$1035.00 |
Below this point are all commercial sea water type membranes.
Commercial membrane prices do not include GST or Freight (in Australia).
Dow Filmtec SW Series
| PART NUMBER |
SIZE (INCHES) |
FLOW RATE GPD |
PRICE EA 1-2 |
PRICE EA 3 OR MORE |
| SW30-2514 |
2.5 X 14 |
150 |
$400.00 |
$360.00 |
| SW30-2521 |
2.5 X 21 |
300 |
$350.00 |
$330.00 |
| SW30-2540 |
2.4 X 40 |
700 |
$450.00 |
$425.00 |
| SW30-4021 |
3.9 X 21 |
800 |
$720.00 |
$645.00 |
| SW30-4040 |
3.9 X 40 |
1950 |
$1000.00 |
$900.00 |
| SW30HR-4040 |
3.9 X 40 |
1200 |
$885.00 |
$795.00 |
| SW30HRLE-4040 |
3.9 X 40 |
1550 |
$1025.00 |
$920.00 |
| SW30-6040 |
5.9 X 40 |
2100 |
$1530.00 |
$1375.00 |
| SW30-8040 |
7.9 X 40 |
6000 |
$2300.00 |
$2070.00 |
| SW30HR-320 |
7.9 X 40 |
6000 |
$1880.00 |
$1690.00 |
| SW30-380 |
7.9 X 40 |
9000 |
$2050.00 |
$1845.00 |
| SW30HR-380 |
7.9 X 40 |
9000 |
$2050.00 |
$1845.00 |
| SW30HR LE-400 |
7.9 X 40 |
7500 |
$2050.00 |
$1845.00 |
| SW30HR LE 400i |
7.9 X 40 |
7500 |
$2050.00 |
$1845.00 |
| SW30XLE-400i |
7.9 X 40 |
9000 |
$2300.00 |
$2070.00 |
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