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TFC-4040-HF — equivalent Hi-Tech RO membrane

Looking for a drop-in alternative to the Koch (Separation Solutions) TFC-4040-HF? SW-28-4040-HR is the closest Hi-Tech Membranes equivalent — see how the specs line up below. The same element also replaces matching parts from 8 other manufacturers.

SpecTFC-4040-HFSW-28-4040-HR
Salt rejection
99.6%
99.7%Higher
Permeate flow
1,700 GPD
1,320 GPD
Test pressure
800 psi
800 psi
Element size
4″ × 40″
4" × 40"

SW-28-4040-HR also replaces these equivalents

Cross-referenced against 13 other elements across 9 manufacturers. Every entry links to its own spec comparison.

View SW-28-4040-XLE specsView SW-28-4040-HR specsAll Koch (Separation Solutions) cross-references

Koch (Separation Solutions), DuPont (FilmTec), Toray, Hydranautics (Nitto), LG Chem (NanoH2O), Veolia (formerly SUEZ), Lanxess (LewaBrane), Vontron, 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.