For municipal water or low pressure system:
Filmtec LCLE-4040 (125 psi) flow rate 2,500 gpd at 99.2% rejection, 2000 feed ppm
For deepwell water or high pressure system:
BW30-4040 (225 psi) 99.5% rejection, high pressure, 2400 gpd
LC HR-4040 (225 psi) 99.7% rejection, high pressure, 2900 gpd*
*improved version of BW30-4040, same pressure but higher flow.
How to choose RO membranes for your water refilling station