Amazon.com - RDEXP Round Dust Brush 25mm Horse Hair 1.25" Vacuum Attachment Replacement,Perfect for Vacuuming Sofas and Baseboards,Use a Rubber Will Help It Fit Better
RIDGID 1-7/8 in. Dusting Brush Accessory for RIDGID Wet/Dry Shop Vacuums VT1701 - The Home Depot
RIDGID 2-1/2 in. Locking Dusting Brush Accessory for RIDGID Wet/Dry Shop Vacuums LA2501 - The Home Depot