100% Phosphate Cartridge containing Slow Melt NSF certified Polyphosphate crystals. WQA Gold Seal Certified for Treats Scale, Corrosion and Iron.
AF Series Phosphate - Loose Fill Replacement Cartridge
- 100% Phosphate
- Treats Scale, Corrosion & Iron
- Fits Standard Residential & Industrial Size Housing
- Oversized Cartridge for Maximum Media Fill
- Quality Produced & Made in the USA
- WQA GOLD Seal certified