No obstacle (9 V)
80,6
Circular grille (9 V)
79,3
Hexagonal grille (9 V)
65,4
No obstacle (7 V)
64,9
Nylon dust filter (9 V)
64,7
Circular grille (7 V)
64,4
Metal dust filter (9 V)
62,1
Hexagonal grille (7 V)
55,9
Silon (20 den) on the circular grille (9 V)
55,2
Foam dust filter (9 V)
54,7
Metal dust filter (7 V)
53,6
Nylon dust filter (7 V)
53,6
Circular grille (5 V)
50,8
No obstacle (5 V)
50,8
Foam dust filter (7 V)
41,8
Silon (20 den) on the circular grille (7 V)
41,8
Hexagonal grille (5 V)
40,5
Metal dust filter (5 V)
39,0
Nylon dust filter (5 V)
35,7
Plastic dust filter (9 V)
31,0
Foam dust filter (5 V)
27,7
Silon (20 den) on the circular grille (5 V)
25,9
Plastic dust filter (7 V)
23,3
Silon (40 den) on the circular grille (9 V)
22,8
Plastic dust filter (5 V)
16,2
Silon (40 den) on the circular grille (7 V)
14,9
Silon (40 den) on the circular grille (5 V)
9,2