Genuine VacBagsUSA Replacement captures most dirt & debris allowing better vacuum suction. FitsModels:U6311-930, U6317-930, U6323-930, U6329-930, U6319-930, U6331-930. Made In The USA! This is an aftermarket replacement product. This is not a product of, nor is it sponsored or endorsed by the original equipment manufacturer. Any literature used is strictly for compatibility purposes.