Designed for use with Sealey Model No. PC150BV & PC150BV110V BuilderVac Vacuum Cleaners. Cloth bag helps to contain the dirt and debris and makes for easy maintenance of the vacuum. Filters particles down to 1 micron, minimising exposure and safely contains potentially harmful dust particles. Cloth bag simply pushes onto the vacuum tank inlet and the motor head assembly re-installed. Suitable for use when dry vacuum cleaning.