| | These membranes are the most common for domestic home systems  | 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) $65.00 TW30-1812-50 (200 litres per day) $70.00 TW30-1812-75 (300 litres per day) $75.00 TW30-1812-100 (400 litres per day) $85.00 | 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 | | | | | 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 | | | | | 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 | | | | | 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 | | | | | TW30LE-4040 | REPLACED BY XLE-4040 | | | | | 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 | $400.00 | $360.00 | | SW30-2540 | 2.4 X 40 | 700 | $495.00 | $445.00 | | 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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