| Outer Diameter | The external diameter of the filter cartridge. | 2.5″, 4.5″, 7″, 9.75″, 10″, 20″, 30″ |
| Inner Diameter | The internal diameter of the filter cartridge. | 1.1″, 1.25″, 1.5″, 2″ |
| Length | The length of the filter cartridge. | 5″, 9.75″, 10″, 20″, 30″, 40″ |
| Micron Rating | The size of particles the filter can remove, measured in microns. | 0.5, 1, 5, 10, 20, 50, 100 |
| Flow Rate | The rate at which the filter can process water, typically in GPM. | 1-20 GPM (gallons per minute) |
| Maximum Pressure | The maximum pressure the filter can withstand, measured in PSI. | 50-250 PSI (pounds per square inch) |
| Temperature Range | The operational temperature range for the filter. | 35°F – 180°F (2°C – 82°C) |
| Material | The material from which the filter is made. | Polypropylene, cellulose, activated carbon, etc. |
| End Cap Configuration | The design of the end cap which affects installation. | DOE (double open end), SOE (single open end), O-Ring, etc. |
| Seal Material | The material used for seals and gaskets. | EPDM, Buna-N, Viton, Silicone |
| Applications | Common applications for the filter cartridge. | Drinking water, industrial processes, pools, etc. |