Vacmaster VWMB508 shop vac foam sleeve

Vacmaster VWMB508: the foam sleeve is part VFF21. Source: Vacmaster (Cleva), checked November 7, 2026.

1Foam sleeveVFF21

Part numbers come from Vacmaster (Cleva) (source), checked November 7, 2026. Amazon buttons open a search for the part number; we may earn a commission.

Where the model number is

On a label on the motor head or the side of the tank.