Z1 Element Selector and DuPont Cross-Reference

Match your priority — or a DuPont FilmTec model — to the right Z1 element

Select by

Design priority

Nominal flow
Active area
Feed spacer
Stable rejection
DuPont equivalent

Z1 elements are dimensionally standard 4040/8040 spiral-wound — a like-for-like drop-in for the listed DuPont FilmTec positions with no array redesign. Nominal figures at 2,000 ppm NaCl, 225 psi, 25 °C, pH 7–8.