Keep up the good work in cleaning your living or work space by stocking up on disposable filter bags. These FLEX brand polypropylene bags hold up well in both residential and commercial use, with a hardy, moisture-resistant design and securely-sealing port cover that ensures dirt, dust and debris stay in for effective disposal. The bags also improve the cleaning power of the vacuum with fleece filter inserts, retaining more dust and debris and lightening the load on the vacuum’s main filter to extend its life. This means getting more out of your FLEX vacuum and with less maintenance needed. These filter bags are designed for use with FLEX safety vacuum cleaners and specifically fit the VCE 33/44 AC models, classes L and M. These classes are rated for conventional vacuuming and cleaning jobs and for jobs involving fine mineral or wood dusts, respectively. The bags themselves are particularly ideal for retaining coarse dirt but are up to the task for any substances the vacuums can effectively clean. The manufacturer has issued a warning that this product contains or otherwise may expose users to chemicals flagged under California’s Proposition 65 due to possible risks of cancer, birth defects or other harm to reproductive health.