Stock up and save!   Your Proteam vacuum is going to last many more years and save a ton by buying this Proteam bag and Filter kit.   Do you know that each time you buy a 10 pack of bags it costs more in shipping than the actual bags?   That is why we can sell this 50 pack of bags (fits all 10 quart Proteam backpack vacuum models that are the round style, Proteam Part 100331) + 2 HEPA filters + 1 cloth bag for such a good price.