Ergotron 98-130-216 40 in. LX Extension & Collar Kit Mounting Component for Monitor, Bright White
$229.38
Convert an existing lx arm to hold two monitors, creating an lx dual stacking arm configuration. This kit easily attaches to the pole of the desk mount base.
Specifications- Color: Bright White
- Size: 40"
- Weight: 5.15 lbs