Based on this product's specifications, here are some alternatives and similar models
Air duct Intel M50FCP2UR208 2U — INTEL air duct for server chassis 2U
Summary description:
This Intel M50FCP2UR208 2U air duct is a replacement cooling duct designed for 2U server chassis. Manufactured by INTEL (MPN FCPDUCTCMN, EAN 0675901976626), it channels airflow to improve component cooling and thermal management in rack-mounted systems. Suitable for maintenance, upgrades or repairs to restore directed airflow and maintain optimal operating temperatures.