If it is a 670Z then the bags for that will be U bags which you can find here: https://www.ezvacuum.com/dirt-devil-type-u-vacuum-bags-10-pack-3920048001.html
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If it is a 670Z then the bags for that will be U bags which you can find here: https://www.ezvacuum.com/dirt-devil-type-u-vacuum-bags-10-pack-3920048001.html