B085 HF 4040


Lewabrane RO B085 HF 4040, 4 Inch x 40 Inch High Flow Brackish Water Reverse Osmosis Membrane

The Lewabrane RO B085 HF 4040 RO membranes provide the highest productivity and high salt rejection.

The Lewabrane RO B085 HF 4040 RO membranes are the best balance of flow and salt rejection.

Salt Rejection: 99.5%.

Permeate Flow: 2,400 gpd (8.9 m³/day).

Membrane Area: 85 ft².

Diameter/Length: 4 inch / 40 inch.

Feed Spacer Thickness: 31 mil.

Test conditions: TDS 2,000 mg/l NaCl, 15.5 bar (225 psi), 25 °C (77 °F), pH 7, recovery rate 15%.

Technical Data Sheet


Compatible with reverse osmosis membrane types:
Filmtec BW30-4040 / GE Desal AG4040FF / Hydranautics CPA2-4040 / Toray TM710 / CSM

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Best reverse osmosis membranes price.


Reverse Osmosis Membranes

Additional information

Weight 5.9 kg
Dimensions 112 × 19.5 × 16 cm


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Contact Info


Unit 21 / 22 Mavis St.
Revesby, NSW 2212
Sydney, Australia.


+61 (02) 8710 7352