4x21 / 4021 Commercial RO Membrane Replacement
Get high quality replacement commercial RO membranes by SpiroPure. Size 4x21 reverse osmosis membranes assist in reducing TDS, high salinity rates, and more in your smaller commercial RO systems and other reverse osmosis needs. 4021 membrane elements such as the XLE-4021 / XLP 4021 extremely low pressure membranes offer high performance treatment of TDS at ultra low pressure rates for extra low energy consumption and max energy savings.
Membrane Type |
Model |
Rejection Rate |
Average Permeate ±15% |
Feedwater NaCl |
Fresh Water Recovery Rate |
Concentration of Salt Solution (Feedwater NaCl) |
Feed Spacer |
Maximum Recommended NaCl |
Maximum Operating Pressure |
|
|---|---|---|---|---|---|---|---|---|---|---|
2540 RO Membranes |
Extremely Low Pressure |
98.5% |
|
500 ppm |
8% |
500 ppm |
28 mm |
< 2,000 ppm |
600 psi |
Membrane Type |
SpiroPure |
Dupont / Filmtec |
GE / SUEZ |
Axeon |
LG Chen |
|---|---|---|---|---|---|
Extremely Low Pressure |
SP-XL4021 |
XLE-4021 |
XE1-4021 |
LG BW 4021 UES |
