NO2 Filter G4 Pre-Filter (330x188x95)


Product Description

ISO Coarse 60% (G4) Filter

Filters should be replaced at least annually, or more regularly dependent on environmental conditions.  Filter can be changed by the householder.  Replacing the filter for a higher grade (F7) will increase the ventilation system resistance and the ventilation system may require re-commissioning to maintain the design airflow rates.

How to Change Filters:
1. Remove Front Cover using four fixings;
2. Slide out filter from casing using handle attached to filter;
3. Replace Filter by sliding back into casing. Ensure the airflow direction corresponds with the direction arrow on filter and the IN & OUT Ports

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