Humidifier filter manufactured by Handi-Plumb by John M Frey Company.

We measured the body length at 10" and diameter 2" (the plasitic section). Both ends are threaded 1/8" NTP female. Included with the filter are the brass couplings for a compression fit with 1/4" copper tubing.

Best granular activated carbon available combined with FDA approved polyphosphates stabilize hard minerals reducing scale formation:

   √ Removes objectionable Taste/Odor/Scale
   √ Reduces Chlorine
   √ Stops sand, dirt, rust
   √ Service life of 1250 gallons

Reduces maintenance costs, and increases service life of equipment.