Based on this product's specifications, here are some alternatives and similar models
Rack SCHROFF MULTIPAC PRO 1U 280D plain covers — SCHROFF MULTIPAC PRO 1U 280D
Summary description:
Plain cover panels for SCHROFF MULTIPAC PRO 1U 280D rack systems. Designed to fill 1U front or rear openings in enclosures with a depth of 280 mm, these covers provide a clean, sealed appearance and protect internal components from dust and accidental contact. Suitable for rack assembly, server cabinets and electronic enclosures where blanking panels are required.