Cen-Tec Systems 91255 Commercial Cleaning Kit with 2-Piece Aluminum S-Wand and Vacuum Tools, 14-Inch The two piece anodized aluminum wand has a locking feature to keep the section together during use. The ABS compression collar is designed to accept either 1  or 1-9/16 floor nozzles Unlike cheaper carpet tools the wide base prevents the tool from digging into plush carpet requiring less effort and user fatigue The window cut of the floor brush opens the face of the tool to improve pick-up and better utilize the air flow from high performance back pack vacuums Designed for new or replacement of the three most commonly required back pack vacuum accessories Compatible with major brands of back pack vacuums equipped with 1  hose including Pro-Team, Sandia, Power Flight, Mosquito, Carpet Pro, Tennant, Perfect, Bissell, Sanitaire, Hawk, and Mercury