This High Output Single RAD Fan is part of the HO Aluminum Shrouded Fans Series designed with popular applications in mind. This assembly measures 24\" wide by 17\" top to bottom and only 3\" thick overall to offer a precision fit. The raw aluminum shroud gives the user the freedom to polish, anodize, paint, or simply leave it natural to create a truly custom look for an affordable price. The 17\" high output two speed fan is one of the best in our line-up offering 2400 CFM when on high to create the most airflow possible in a compact size.