(Note: The TT27 Air Driven Power Brush will be replaced with the upgrade Surface-Pro Brush...coming soon.) This basic 11-inch air-driven beater brush is a great brush for homes with minimal carpeting. A higher quality brush would be the air driven TurboCat. The TT27 works with any central vacuum system. Replaces the TK2 (which doesn't have the small vent as you see on the bottom left of this brush). Use extension wands with or without button locks, not included. We also sell the replacement roller brush (#440BR), cover (#440C), screws (#440S), front wheel (#440WF), and rear wheel (#440WR). Please call to buy these replacement items. ONLY AVAILABLE IN BLACK.