Noise Level [dBA] – lower is better
No obstacle (5 V)
Circlular grille (5 V)
Nylon dust filter (5 V)
Plastic dust filter (5 V)
Hexagonal grille (5 V)
No obstacle (7 V)
Nylon dust filter (7 V)
Circlular grille (7 V)
Plastic dust filter (7 V)
Hexagonal grille (7 V)
No obstacle (9 V)
Nylon dust filter (9 V)
Circlular grille (9 V)
Plastic dust filter (9 V)
Hexagonal grille (9 V)
Value
Ascending
