Flat Out Tool: Articulates for flexibility and makes it simple to clean under low furniture and appliances; adjusts automatically for hard floors and carpet Multi-angle Brush: Twists into different positions (due to two articulating neck joints) to simplify cleaning in high areas like ceiling fans, furniture tops, and lighting Soft Dusting Brush: Soft bristles gently clean dust throughout your home, especially furniture and flat surfaces, while the narrow shape makes it easy to clean in narrow areas Compatible with select fullsize and cordless vacuums including these models: Big Ball Multi Floor, Big Ball Animal, SMALL BALL, Cinetic Big Ball MF, Cinetic Big Ball AN, DC78TH, DC37TH AN, DC78THAN, Ball Multifloor 2, Ball Animal 2, DC77MF, DC77AN, DC66AN, DC66MF, V6 Mattress, V6 SLIM, V6 CordFree, V6 PLUS, DC62 AN