| Image |  | | | | | |
| Rating | 7.6 | 8.4 | 5.2 | 9.1 | 6.6 | 10.0 |
| Price | $3980 | $1997 | $2295 | $2997 | $2995 | $3997 |
| Distributor in US | 2004 | 1996 | 2007 | 1996 | 2007 | 1996 |
| Country of Origin | Japan | USA / Korea | Korea | USA / Korea | 2007 | USA / Korea |
| Number of Plates | 7 | 7 | 5 | 11 | 9 | 15 |
| Plate Surface Area | Large | Medium | Medium | Large | Medium | Oversized |
| Plate Material | Titanium / Platinum | Double Dipped Platinum / Titanium Plates | Titanium / Platinum | Double Dipped Platinum / Titanium Plates | Titanium / Platinum | Double Dipped Platinum / Titanium Plates |
| Flat or XL Matrix GRID Plates | Flat Only | Flat or XL Matrix Grid™ | Flat Only | Flat or XL Matrix Grid™ | Flat Only | Flat or XL Matrix Grid™ |
| Filtration | 1 | 2 Internal + Customized Pre-Filtration | 2 | 2 Internal + Customized Pre-Filtration | 2 | 2 Internal + Customized Pre-Filtration |
| Customized External Filter System Included | Not Available | Included Free | Not Available | Included Free | Not Available | Included Free |
| Customized Water Report | Not Available | Included Free | Not Available | Included Free | Not Available | Included Free |
| Chloramine Reduction System | Not Available | Available | Not Available | Available | Not Available | Available |
| SMPS Power System | Transformer | XL Power SMPS | Transformer | XL Power SMPS | Transformer | XL Power SMPS |
| Power (In Watts) | 230 Watts | 450 Watts | 110 Watts | 800 Watts | 200 Watts | 800 Watts |
| Warranty | 5 Years on Parts & Labor | Lifetime on Parts + 10 Years on Labor | Lifetime on Parts + 5 Years on Labor | Lifetime on Parts & Labor | 7 Years on Parts & Labor | Lifetime on Parts & Labor |
| Under Sink Installation | UC Model: $4980 | Optional Faucet with Counter Top Controls | Yes - Under Sink Controls | Optional Faucet with Counter Top Controls | No UC Version | Optional Faucet with Counter Top Controls |
| Faucet | N/A | Stainless Steel | N/A | Stainless Steel | N/A | Stainless Steel |
| ORP Levels | Up to -612 | Up to -700 | Up to -504 | Up to -880 | Up to -500 | Up to -1005 |
| pH Levels | 4.5 - 10.3 | 2.5 - 11.0 | 5.5 - 10.5 | 1.7 - 12.0 | 5.5 - 10.5 | 1.7 - 12.2 |
| Flow Rate | 3 liters / min | 5 liters / min | 2 liters / min | 5 liters / min | 3-4 liters / min | 6.5 liters / min |
| Ultraviolet XL Technology | Not Available | Available | Not Available | Available | Not Available | Available |
| Life CleanTech Filtration | Not Available | Available | Not Available | Available | Not Available | Available |
| Top Loading One-Click Filters | Not Available | Available | Not Available | Available | Not Available | Available |
| Life MicroMembrane Technology | Not Available | Available | Not Available | Available | Not Available | Available |
| Easy-Notify Filter Change | Not Available | Available | Not Available | Available | Not Available | Available |
| Year Model Updated | Recently Updated 'Silver Color' Model | 2020 | 2007 | 2020 | 2011 | 2020 |
| Vitamin C Ceramic Block Filtration | Not Available | Available | Not Available | Available | Not Available | Available |
