TORAY first began producing Reverse Osmosis spiral wound membrane elements in 1967, starting with cellulose acetate membrane elements. Today, our product line includes a full range of state-of-the-art polyamide composite membranes manufactured under ISO-9001 certification.
The Toray TM820C-400 high productivity RO element for sea water applications

| TME Product number | TM820C-400 |
| Article No. Manufacturer | TM820C-400 |
| Brand | Toray |
| Membrane Manufacturer Type | Toray TM 8" |
| Membrane type | Reverse Osmosis |
| Membrane material | Polyamide Composite |
| Boron Rejection SW @ pH 8 & 5 ppm Feed | 93% |
| Membrane Area | 400ft² |
| Minimum Rejection | 99.5% |
| Minimum Permeate flow | 19.7m³/d |
| Membrane Preservation | 1000 ppm Sodium bisulfite Solution |
| Boron Rejection BW @ pH 10 & 5 ppm Feed | % |
| Feed Spacer thickness | mil |
| Permeate flow | 24.6m³/d |
| Rejection | 99.75% |
| Membrane Diameter | 8.0'' |
| Length | 40'' |
| Permeate tube diameter | 1.125'' |
| Connection Type | ND |
Pure Aqua manufactures and supplies RO systems, and as a leading RO supplier in the sphere of development and implementation of
reverse osmosis and water treatment systems, Pure Aqua earned a great industry reputation in the RO market.
In all commercial and industrial RO systems that Pure Aqua supplies, we include a cleaning procedures in the operating and installation manual.
Pure Aqua, as a leader RO supplier, has a presence all over the world with a strong dealership network to help our customers.
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