You'll find everything you need for your ProTeam QuietPro HEPA backpack vacuum cleaner using this full parts diagram. Find common items such as the bags, filters, and hose as well as more hard-to-get items like gaskets, bumpers, and housings.
I haven't had to change the bag in my vacuum yet, but it appears to be easy enough and I like the fact that the hose end to the vacuum unit does not have to be removed in order to change the bag. This is another reason why I don't like the ProLux Terra Vacuum, very hard to replace the bag.