Cen-Tec Systems 99944 1 &frac12;&rdquo;Commercial Wet/Dry Vacuum Accessory Set The set includes standard floor nozzles for hard floor surfaces, carpeted surfaces, and a squeegee tool with natural rubber blades for superior wet pickup The two piece aluminum s-wand has an ABS compression lock to secure the floor nozzles. An ABS compression lock is as durable a cast metal and eliminates the risk of pitting and stripping often encountered with cast metal couplings Compatible with most brands of back pack vacuum, including: Pro-Team, Karcher, Tennant, Perfect, Nilfisk, Bissell, Mosquito, Sandia, Hawk, and Mercury Designed as a new or replacement accessory set for commercial wet-dry vacuums using 1  accessories The squeegee has a double blade designed for one pass collection of water. The blades are compounded to handle all standard stripper chemicals without degrading