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Hydranautics (Nitto) cross-reference

ESPA3-4040 equivalent

Looking for a drop-in alternative to the Hydranautics (Nitto) ESPA3-4040? HXLP-31-4040 (extra low pressure) 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.

SpecESPA3-4040HXLP-31-4040 (extra low pressure)
Salt rejection
98.5%
99.7%Higher
Permeate flow
3,000 GPD
2,900 GPD
Test pressure
150 psi
100 psiLower psi
Element size
4″ × 40″
4" × 40"

HXLP-31-4040 (extra low pressure) also replaces these equivalents

Cross-referenced against 21 other elements across 10 manufacturers. Every entry links to its own spec comparison.

View HXLP-31-4040 (extra low pressure) specsView BW-34-4040-LE specsAll Hydranautics (Nitto) cross-references

Hydranautics (Nitto), DuPont (FilmTec), Toray, LG Chem (NanoH2O), Koch (Separation Solutions), Veolia (formerly SUEZ), Lanxess (LewaBrane), CSM (Toray Chemical Korea), Trisep (Microdyn-Nadir), AXEON 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.