This High Output Single Radiator Fan is part of the High Output Aluminum Shrouded Fans Series designed with popular applications in mind. This assembly measures 18 inch wide by 18 inch top to bottom and only 3 inch thick overall to offer an adjustable yet 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 inch high output two speed fan is one of the best in their line-up offering 2400 CFM when on high to create the most airflow possible in a compact size.