The 93378 is designed to complement all major brands of central vacuum systems and is an ideal set of accessories for those concerned about black tools marking surfaces in the home. The 1.25 inch x 35 foot commercial grade hose is lightweight and highly flexible with a very smooth interior for superior airflow. The trademarked arc relax strain relief system at each end of the hose prevents kinking and extends hose life. The light weight 93378 accessories make them ideal for cleaning above the floor surfaces and stair risers. The premium natural fill floor brush will not mark walls or baseboards and pivots to allow the brush to move in and around tight spaces. The floor brush is ideal for cleaning hardwood floors without a concern the tool will damage the floor finish. The 93378 is designed to be compatible with all major central vacuum brands including: beam, ELECTROLUX, eureka, VacuMaid, Vacuflo, Md, Cyclovac, Canavac, Honeywell, galaxie, imperium, and Nutone installed with valves that have approximately a 1.50 inch industry standard opening.