No obstacle (9 V)
1,53
Circular grille (9 V)
1,52
Nylon dust filter (9 V)
1,50
Hexagonal grille (9 V)
1,37
Plastic dust filter (9 V)
1,33
Foam dust filter (9 V)
1,19
No obstacle (7 V)
0,86
Circular grille (7 V)
0,85
Nylon dust filter (7 V)
0,82
Hexagonal grille (7 V)
0,76
Plastic dust filter (7 V)
0,76
Foam dust filter (7 V)
0,71
Circular grille (5 V)
0,46
No obstacle (5 V)
0,46
Foam dust filter (5 V)
0,41
Nylon dust filter (5 V)
0,41
Plastic dust filter (5 V)
0,41
Hexagonal grille (5 V)
0,31