Max Water Siliphos Anti-Scale Filter Media Bag variation (1 LB) compatible with Refillable Phosphate Anti-Scale Water Filters - Good for Scale Prevention, Corrosion Inhibition and Iron Control
NOTE: Due to the nature of the material, Siliphos balls may crack into shards during shipping. Shards can still be used as normal, and may allow you to squeeze a bit more material into a filter housing.
Diameter of Single Ball: 3/4 (0.75) inch
Used to sequester water hardness
Used to form a protective coating on metal surfaces