Based on this product's specifications, here are some alternatives and similar models
Rack shelf PULSAR RAPD600 2U front-mount for 19" server cabinet
Summary description:
PULSAR RAPD600 is a 2U front-mount rack shelf designed for 19" server cabinets. The metal shelf provides a stable mounting solution for network equipment, monitors, small servers, power supplies and accessories that do not require full rack rails. It fits standard rack mounting holes and is intended for organized placement and easy access to devices in data closets and server rooms.