| Type | Metal | Size(mm) | Density (Kg/L) | Application | Comments |
| D | 0.5% Pd | 3 Dia x 3 Cyl. | 1.1 | Removal of O2 | Historic choice |
| DS2 | 0.2% Pd | 2 to 5 Sph. | 1.0 | Removal of O2 | Standard choice for this application |
| DS3 | 0.3% Pd | 2 to 5 Sph. | 1.0 | Removal of O2 | Resistant to poisoning |
| DSL2 | 0.2% Pd | 2 to 5 Sph. | 0.8 | Removal of O2 | Most economic choice |
| DK | 0.5% Pd | 3 Dia x 3 Cyl | 1.1 | Removal of O2 | High crush strength Good resistance to dusting |
| E | 0.15% Ru | 3 Dia x 3 Cyl | 1.1 | Methanation of CO Removal of H2O2 |
Historic choice |
| Type | Metal | Size(mm) | Density (Kg/L) | Application | Comments |
| DSS3 | 0.3% Pd | 4 to 6 Sph. | 0.7 | Oxidation of methane and hydrocarbons | Low light-off temperature (300-350°C) |
| M | 0.5% Pt | 3 Dia x 3 Cyl | 1.1 | Removal of H2,CO and hydrocarbons | Historic choice |
| M3 | 0.3% Pt | 3 Dia x 3 Cyl | 1.1 | Removal of H2,CO and hydrocarbons | Competitive price Choice if poisons present |
| MS2 | 0.2% Pt | 2 to 5 Sph. | 0.9 | Removal of H2,CO and hydrocarbons | Most economic choice |
| MSL15 | 0.15% Pt | 2 to 4 Sph. | 0.7 | Air purification | Competitive price Standard choice for this application |
| DMS12 | 0.1% Pd / 0.2% Pt | 4 to 6 Sph. | 0.8 | Removal of H2 from electrolytic oxygen | Standard choice |