York 18-PLR Blower delivers 3,700 CFM at 1,851 RPM in a 4SP configuration. This model, identified by the 18-PLR designation, represents York’s blower offering with a four-speed drive arrangement designed to move a substantial volume of air when paired with the appropriate drive system and ductwork. Understanding the ratings—3,700 CFM and 1,851 RPM—helps in selecting the blower for ventilation or air-movement applications that require a defined airflow profile at a fixed operating point.
