10" Sealed Carbon 5 Micron Inline ( IL-10W-C-EZ ) with 1/4" tube connections.
Coconut Shell Carbon for better taste* Special version ( not threaded ), instead has 1/4" John Guest QUICK Connect openings
Use with 1/4" O.D. tubing and Quick connect Fittings common on some newer RO units.
Activated Carbon polishing post-Filter is the optional in-line carbon filter located above the system's RO membrane.
Information on Removing and Connecting the Tubing using Quick Connections,
see: How to Use Standard and Quick Connect Fittings - Video