Dust Brushes, For Hose Diameter 1 1/2 in, Material Plastic, Length 5 in, Width 4 1/4 in, Depth 4 in, Diameter 4 1/4 in, For Vacuum Type Shop Vacuum, Fits Vacuum Brand Guardair, Fits Vacuum Models N301BCXNED, N551BCXNED, N551DCNED, N552BCXNED