vacuum bag for bench grinder namrolSuction bag for Namrol table bench grinder Disposable suction bag for PULILAB shaping bench (formerly tabletop Pulibac). Capacity 25 liters. After 2 3 uses, it is advisable to change the bag. Clogging of the micro holes significantly reduces the passage of air and therefore the suction power. Please note that the bag must be free to inflate completely at the rear.