The 14” scalloped felt hardwood and polished hard floor commercial nozzle is designed vacuuming without risk of damage to delicate floor surfaces. The scalloped felt blade insures airflow and collection of even fine particulate without the risk of brimming debris like some floor brushes. The felt blades are static neutral making them ideal for vacuuming flowing floor surface refinishing. Compatible with all major brands of commercial compression lock s-wands the 60137 is ideal for use with major brands of commercial backpack vacuums using 1. 50” accessories including Pro-Team, Mosquito, Tennant, Powr-Flite, Hawk, Sanitaire, Rubbermaid, NSS, Mercury, Sandia, and Nilfisk. The 60137 is compatible with major brands of commercial canister vacuums including Powerflight, Hawk, Nilfisk, Karcher, NSS, Mercury, Sanitaire, Tennant, Nacecare, and Pacific Floor. Also excellent for brands of vacuums typical in the hard floor refinishing business like Pulse Vac, IPC, and Cen-Tec's Elsea line. This 1.50 inch diameter, 54 inch length 60528 two piece aluminum locking S-wand features a compression coupling making it compatible with standard S-wand style floor tools. The two piece locking construction makes for easier storage. The light weight aluminum construction makes the 60528 ideal for use with backpack vacuums, wet-dry vacuums and dry vacuums.