Based on this product's specifications, here are some alternatives and similar models
19" blanking panel CAYMON BSV01H, 1U, hexagonal ventilation holes
Summary description:
CAYMON BSV01H is a 1U 19-inch blanking panel designed to close unused rack spaces while allowing airflow through hexagonal ventilation holes. It helps maintain organized server cabinets, improves cooling by directing airflow, and prevents dust entry. Suitable for data centers, telecom racks and AV installations where space management and ventilation are needed.