Carbon Polishing Post-Filter (NINCF-10) “1/4” Threaded Ends

Activated Carbon polishing post-Filter for all Nelsen Aqua Classic, Aqua Elite, and Nelsen Filtration Reverse Osmosis Systems that use the optional “Threaded” in-line carbon filter located above the system’s RO membrane. 1 year suggested replacement. (Replacement for the ECF-10 Extended Contact Carbon Adsorption Filter).