Use this Pro Team 6 qt triangular intercept filter bag to avoid potential damage to a vacuum and improve its filtration performance. The pleated design of this filter makes for up to 21% larger filtration capacity, while a laminated liner prevents the inside from shredding during use and improves the filter's longevity. The open collared design makes emptying and reusing this filter easy and the dual layered construction of prevents captured particulates from escaping the vacuum and disrupting the air quality within your workplace. This filter bag is dry fit by design and is made of paper for easy disposal.