6 Royal Dirt Devil Type U MVP Swivel Allergy Vacuum Bags, Ultra, Magnum, Powercast, Protege, Regina, Feather Glide,

Designed to fit original manufacture # :
Royal / Dirt Devil # 3-920750-001, 3920047001, 920047, 454745

Hoover Part # 40100526

Sears Upright Royal Dirt Devil # 50178
Fits these models series and others:

Swivel Glide 086350
Ultra, Ultra MVP 086500, Ultra MVP PF
Magnum, Magnum MVP, Platinum Magnum MVP
Royal Powercast RY9000, RY9100, RY9200
Royal Protege RY7200, RY7300, RY7400,
Regina HDU500, HDU200
Feather Glide 085700J
Royal Procision RY7000, RY7050, RY8000
Magna Power
Breeze Lightweight
Privilege
Platinum Force
Featherlite
Dirt Devil Upright 86505

Item is:
Micron filtration Allergy Bag
Traps Bacteria, Dust Mites, etc.down to 0.1 micron