 Mark 3X Column | For smaller Hallmark Silver Recovery Systems. Contains 8 lbs of chopped iron fiber. |
 Mark 5 Bucket | Single use wound steel wool core bucket for gravity fed silver recovery systems. |
 Mark 6PE Column | Patented, 12 lbs of chopped iron fiber. Reusable - deposit and refill charge applies. |
 The One Column | 18 lbs of chopped iron fiber for small to medium systems. Reusable. |
| Mark 6XPE Column | Patented, 23 lbs of chopped iron fiber in unique layered process. Reusable. |
 Mark 9PE Column | Extended capacity column for high-volume silver recovery systems. Reusable. |
 Mark 15 Column | For larger Hallmark Silver Recovery Systems. Reusable. |
 Mark 26 Column | High capacity column for the largest silver recovery systems. Reusable. |
