Cen Tec Systems Cen Tec Systems Central Vacuum Attachment Kit Utility Sink anthrac Feature 3 Text As anthrac Feature 3 Text As a preventative 375 Electronic Mechanical Electronic Interior Exterior Interior Exterior Material Zinc Number of Batteries Required 4 Maximum user codes 50 Included Hardware Ideal for area rugs and areas of the home where transitions from carpet to hard floor are typical The lightweight highly flexible hose is made in the USA and is designed to power on and off the central vacuum power unit through industry standard pin jack inlet valves The wall end is designed to fit Nutone and other inlets with a measured 1 dusting brush