This mount is referred to as FIX & Go System,  it is mounted with a double sided pad to your dashboard and not an air vent.

This is the Tetrax solution for mobile phones, remote controls and other small electronic devices.  Thanks to the Fix & Go system, Tetrax FIX finds its place anywhere on the dashboard.

• Power Magnet System
• Able to hold mobile phones and devices up to a 150 gram/3.2 inch screen
• 100% Windscreen free view
• Fix & Go system with 3M adhesive for easy sticking in any part of the dashboard
• Tetrax FIX, thanks to the new and larger adhesive (20mm x 20mm), as well to the thermoplastic rubber flexibility, can be stuck anywhere on the dashboard, to the benefit for convenience and safety.

Maximum load capacity 150 grams.

The magnetic holder has a large adhesive surface of 20mm x 20mm.

It is supplied with an alcohol wipe.