Airflow [m^3/h] – higher is better
No obstacle (9 V)
80,6
Circlular grille (9 V)
79,3
Hexagonal grille (9 V)
65,4
No obstacle (7 V)
64,9
Nylon dust filter (9 V)
64,7
Circlular grille (7 V)
64,4
Hexagonal grille (7 V)
55,9
Nylon dust filter (7 V)
53,6
Circlular grille (5 V)
50,8
No obstacle (5 V)
50,8
Hexagonal grille (5 V)
40,5
Nylon dust filter (5 V)
35,7
Plastic dust filter (9 V)
31,0
Plastic dust filter (7 V)
23,3
Plastic dust filter (5 V)
16,2