I have used these vacuum bags for my 2 Bosch 3931A vacuum cleaners for over 6 years now. These bags are terrific and keep the inside of the vacuum squeaky clean and are very durable and strong. I've used the vac bags for small and big projects and out in the field on many major construction projects. They always get the job done. I highly recommend these bags and the vacuums they go with.
I have used a lot of vacuum equipment in 50+ years of amateur and then professional woodworking. The Bosch Airsweep Vac is clearly superior in noise level, variable speed, capacity, auto start with attached sanding or routing tools, self cleaning aux pleated hepas, etc. Why it is not headlining in most woodworking magazines astounds me. The bags are similarly terrific. I have pulled out bags loaded with plaster dust, wood bits, dirt, cement board, etc which were so full and heavy I was surprised there was still excellent suction at the hose end. Outstanding product. After 5+ years in a shop used daily, the inside of the vac is still spotless when the bag is removed.
"This is a great way to buy high quality tools for the price of lower quality tools. CPO stands behind what they sell. I feel I can buy risk free, and if there is a problem CPO will step up and make it right" - Geoff D.