Universal 30 ft Dual-Volt Direct-Connect Central Vac Hose, Lt Gray - 1-3/8" Dirt Devil or a whistling note when

or a whistling note when running on higher power

or missing filter support component allows unfiltered air to bypass the filter entirely

Compatible with Shark 2013

Verify your Austin Air model takes this HEPA filter before ordering so filtration stays at full strength for the space

Follow label directions for proper dilution and application

Universal 30 ft Dual-Volt Direct-Connect Central Vac Hose, Lt Gray - 1-3/8" Dirt Devil or a whistling note whenThis 30 foot universal central vacuum hose combines suction with electric power delivery to a motorized power nozzle using a direct connect electrical end, so no separate pigtail cord is required at the wall inlet. Its dual volt wiring lets you switch the power unit on and off at low voltage from the handle while feeding 120 volts to the power head for deep carpet cleaning. (Part #30042) Sized to the standard 1 3 8" central vacuum hose diameter, it