The Premiere low voltage accessory package contains a 1-3/8″ diameter 30′, 2-position switch crush proof, hose. The two-position switch is located in the hose handle for easy operation. 1. Power unit off. 2. Power unit on. The package also includes our air-powered floor brush which features: cogged drive belt, 12″ brush width, rubber bumper, automatic height adjustable, sculpted brush roll and a telescoping metal wand. Also included are a hardwood floor brush, hose hanger, crevice tool, dusting brush, tool caddy and a tool hanger for the wand. **This package is designed to ONLY work with industry standard 1.5″ I.D built-in vacuum inlets. If you have a Nutone, Sears, Kenmore or Whirlpool brand vacuum, you may have non-industry standard 1.25″ diameter inlets. In this case, please call one of our technical support at 800-666-3133 for assistance.