Replacement Filter for the Heater Treater "20" Models (FTHT-20RF)
Replacement filter for the Heater Treater models FTHT-20-REVFLO, FTHT-20-REVFLO-G, (F)THT-20, (F)THT-20-G.
- One 20 inch, 5 micron filter with treatment media
- O ring for past and current models
- Replacement instructions
Recommended replacement every 12 months or as instructed.