DVC Sharp, 3 pack, pu-2 style vacuum bag, fits sharp upright models #'s ec12swc, ect5965, ect5970, ect5980, ectu5907, ectu5909, ect12twt4, ec12txt2, ecs2720, ect2840, ect2850, ect2860, ect4650, ect4660, ect4765, ect4765, ect4770, ect4840, ect4880, ectu2609, ectu2709s, ectu2809, ectu4607, ectu4609, ectu4707, ectu4709, ectu4711s & ectu4810, allergen filter traps 99% of dust, pollen, pet dander & mold down to 5 microns.