DESC: The crushproof, 30long Direct-Connect hose springs back to retain original shape. Lightweight, in frost white with 3 position on-off switch. For use with electrified inlets only (Electravalve® or Hayden Supervalve®). For use with Nutone CT600 or CT650 power nozzles Includes patent pending Universal hose end which fits all Nutone and most other standard inlets UL approved