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LP21-2521 — equivalent Hi-Tech RO membrane

Looking for a drop-in alternative to the Vontron LP21-2521? BW-34-2521 is the closest Hi-Tech Membranes equivalent — see how the specs line up below. The same element also replaces matching parts from 3 other manufacturers.

SpecLP21-2521BW-34-2521
Salt rejection
99.5%
99.5%
Permeate flow
318 GPD
318 GPD
Test pressure
150 psi
100 psiLower psi
Element size
2.5″ × 21″
2.5" × 21"

BW-34-2521 also replaces these equivalents

Cross-referenced against 5 other elements across 4 manufacturers. Every entry links to its own spec comparison.

View BW-34-2521 specsView TW-34-2521 specsAll Vontron cross-references

Vontron, DuPont (FilmTec), Koch (Separation Solutions), CSM (Toray Chemical Korea) 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.