Description
Sound-absorbing foam insert acts as a muffler to reduce noise levels.
N686 fits inside Exhaust Silencer Assembly N685. For all Guardair Drum Vacuums and Vacuum Generating Heads featuring B, D, and S venturi.
N886 fits inside Exhaust Silencer Assembly N885. For all Guardair Drum Vacuums and Vacuum Generating Heads featuring M venturi.



