Based on this product's specifications, here are some alternatives and similar models
Front panel Omnitronic Z-19U Steel Black 0.5U — front panel for 19" rack, steel, black finish
Summary description:
Omnitronic Z-19U Steel Black 0.5U front panel is a steel 19" rack accessory with a 0.5U height and black finish. It provides a durable mounting surface for rack installations, protecting equipment edges and offering a neat front appearance. Suitable for audio, AV and IT racks where a slim filler or mounting panel is required.