Review on Dow Filmtec TW30 1812 50HR Rejection Replacement: Superior Filter for Enhanced Water Quality by Patrick Burton
They work as intended
I ordered and installed another brand that I order from Revain. I always check the TDS after installing a new diaphragm. Usually, the new membrane makes TDS youthful or even unique. A non-Filtec brand had a TDS above 75ppm within a week of installing a new membrane. After ordering and installing the Filmtec product, the TDS dropped to 15ppm. Keep in mind I have reverse osmosis units up and down and the non-Filmtec product was higher (over 70ppm) in both units before I switched to Filmtex.
- Polyamide Thin Film Composite (TFC)
- Not bad but...
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