ESPA4 equivalent
Compare published specifications and confirm suitability for your application.
Comparable specifications
Same nominal size; flow and rejection within the comparison band.
Cross-references support initial selection. Confirm feed water, operating conditions and system compatibility with Hi-Tech before replacement. Published specifications may use different test conditions.
- Salt rejection
- Competitor: ESPA499.2%
- Hi-Tech: BW-28-400-LE99.5%
- DifferenceHigher
- Permeate flow
- Competitor: ESPA412,000 GPD
- Hi-Tech: BW-28-400-LE11,500 GPD
- DifferenceSimilar
- Test pressure
- Competitor: ESPA46.9 bar (100 psi)
- Hi-Tech: BW-28-400-LE6.9 bar (100 psi)
- DifferenceSimilar
- Element size
- Competitor: ESPA48″ × 40″
- Hi-Tech: BW-28-400-LE8" × 40"
- DifferenceSame size
Other cross-referenced models
Cross-referenced against 39 other elements across 11 manufacturers. Every entry links to its own spec comparison.
Hydranautics (Nitto), DuPont (FilmTec), Toray, LG Chem (NanoH2O), Koch (Separation Solutions), Veolia (formerly SUEZ), Lanxess (LewaBrane), Vontron, 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.