2 sets of Airflow BV 400 Filter Set

2 sets of Airflow BV 400 HRV Filters Pack
 

Each Pack contains 2 G4 Filters
 

Filter Class: EN779:  classification G4
 

Non OEM Filters: manufactured by a filter manufacture to Airflow Standards: EN779
 

Airflow Product Code: 90000312 - 90000322