Description
The DUCO Filterset 2 x Coarse 65 % Energy Comfort D325 is a genuine replacement filter kit designed specifically for use with the DUCO range of heat recovery ventilation units.
Why Replace Filters Regularly?
Over time, filters become clogged with dust and pollutants, which can:
- Reduce airflow
- Increase energy consumption
- Lower heat recovery efficiency
- Increase noise levels
For optimal performance, filters should typically be replaced every 6–12 months, depending on usage and environmental conditions.
Compatibility
✔ Designed specifically for DucoBox Energy Comfort D325 unit
✔ Direct fit – simple and quick replacement
✔ Maintains manufacturer performance standards and warranty


