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