EnviroCare Replacement Vacuum Bags for Clark Combi Vac, Alto, N.A.C.E, Hawk Allergy Commercial Uprights 10 Pack Fits:Clark, Alto, N.A.C.E., Hawk Commercial Upright Vacuum Cleaners Models: Fusion, FiltraVac, FiltraPac,Pursuit UVT14, UVT18, DM1400, DM1800, 514, 517, 518, 614, 618 Fits Oem part numbers below: 50747A, Hawk 53430A, 5430A and 50704A-2, 50721 Dimensions: 13   x 6 Bag size 2   Hole diameter 6   x 5  (at widest) Cardboard "