Genuine Simplicity 6 series, SYMMETRY, S20E, SHD-1T(Simplicity Heavy Duty) upright 6 pack paper also fits:Riccar 2000/4000series replaces Panasonic U-3,U-6,U-12. Sharp PU-2. Sanyo SG-PU1. *Type A 12 packs (Shown)are no longer in production.