Panasonic U12 Vacuum Bags for Panasonic Commercial Vacuum Cleaners. Each genuine bags is constructed of microfiltration material to prevent dust and other airborne allergens from leaking out of the bag. Fits all Panasonic upright vacuum cleaners. These bags fit Panasonic models MC-UG5**, MC-UG7**, MC/MC-V51**, 52**, 53**, 55**, 57**, 62**, 66**, 68**, 69**, 73** and 74**. (** denotes digits 00 to 99), MC-CG901, MC-GG283, MC-GG773.