The 4S pressure vessel is designed for use as a sea water RO filter housing.
The 2S pressure vessel is designed for use as a sea water RO filter housing
| Model No. | (L) Length of vessel | Number of 40 inch membrane elements |
|---|---|---|
| 4S-1D | 45.25 inches | One 40" membrane with standard 0.75 pwt |
| 4S-2D | 85.25 inches | Two 40" membranes with standard 0.75 pwt |