My husband switched from a bagless vacuum to a bagged vacuum. He said the bag was easy to install, we both vacuumed several times and the bag is still not full. It looks like it costs money because you don't have to switch packages often. Cleaning a bagless vacuum is difficult due to allergies we both have. So if using bags eliminates that problem and they are inexpensive, it doesn't look like we're going to resort to using vacuum bags.
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