1mm DC Plug Cord Length: 6′ (1.83m) Type: LED Voltage: 12V | Breas Z1 Custom USB Cable for CPAP. Specifications Weight: 1.1 Dimensions: 4" x 2" x 1" Type: Auto Power Plug to 2.
The Tube adapter reduces the size of the Z1 by conforming the adapter to be part of the hose/tube rather than the machine. It connects the standard 22mm CPAP hose to the Z1 outlet..