Ergotron - Upgraded LX Pro Premium Monitor Arm, Single Monitor Desk Mount - fits Flat Curved Ultrawide Computer Monitors up to 34 Inches, 4 to 22 lbs, VESA 75x75mm or 100x100mm - Matte Black is up for auction in Office Products. The current bid is $10.50, 96% below the $283.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.