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LP21-8040 — equivalent Hi-Tech RO membrane

Looking for a drop-in alternative to the Vontron LP21-8040? HMBW-28-400 / HMBW-34-400 is the closest Hi-Tech Membranes equivalent — see how the specs line up below. The same element also replaces matching parts from 9 other manufacturers.

SpecLP21-8040HMBW-28-400 / HMBW-34-400
Salt rejection
99.5%
99.7%Higher
Permeate flow
10,000 GPD
11,500 GPDMore flow
Test pressure
150 psi
150 psi
Element size
8″ × 40″
8" × 40"

HMBW-28-400 / HMBW-34-400 also replaces these equivalents

Cross-referenced against 45 other elements across 10 manufacturers. Every entry links to its own spec comparison.

View BW-28-400 / BW-34-400 specsView HMBW-28-400 / HMBW-34-400 specsAll Vontron cross-references

Vontron, DuPont (FilmTec), Toray, Hydranautics (Nitto), LG Chem (NanoH2O), Koch (Separation Solutions), Veolia (formerly SUEZ), Lanxess (LewaBrane), CSM (Toray Chemical Korea), Trisep (Microdyn-Nadir) and all model numbers shown are trademarks of their respective owners, used here for compatibility reference only. Hi-Tech Membranes is not affiliated with, endorsed by, or sponsored by any of them.