Easy Tool-Free Installation – Simply remove the old part and insert this replacement into the designated slot or holder—no special tools or complex steps required. This sealing ring fits V11, V15, and SV17 dust containers as a replacement part. The ring seals the dust bucket to prevent air leaks during operation. Install the ring to replace a worn or cracked seal on the dust container. This spare part helps maintain suction performance. Replace the sealing ring when damaged to restore dust containment.