The HP D9P29A LaserJet Pro 550-sheet Feeder Tray in White is a high-quality printer accessory designed specifically for HP LaserJet Pro printers. This tray, with a total paper capacity of 550 pages, is compatible with various HP LaserJet Pro models and is easy to use. Its compact size, with dimensions of 5.1 inches in height and 15 inches in width, makes it convenient to install and store. Upgrade your printing experience with this reliable and efficient feeder tray from HP.