The filter is designed to reduce hardness (salt, calcium and magnesium content) in the water.
| Model | Max. flow | Max pressure | Consumerism | Max. temperature | Cleaning efficiency |
| IRC-10R | 4 l/min | 7 atm | 6000l | 38 ° C | 90 % |
| IRC-20R | 12 l/min | 7 atm | 12 000l | 38 ° C | 90 % |
| IRC-10R-BP | 20 l/min | 7 atm | 12 000l | 38 ° C | 90 % |
| IRC-20R-BP | 20 l/min | 7 atm | 24 000l | 38 ° C | 90 % |
