The MRCOOL 3 Ton Multi-Positional Variable Speed Modular Blower is expertly engineered to provide consistent comfort while ensuring long-lasting performance. Featuring an electronically commutated motor (ECM), it guarantees reliable airflow across all seasons, helping you maintain a state of relaxation year-round. By opting for the MRCOOL 3 Ton Multi-Positional Variable Speed Modular Blower, you can trust in its energy and time efficiency. Key Features Cabinet dimensions align with standard furnace widths Painted galvanized cabinet for enhanced durability ECM variable speed motors for optimized performance Capability for field installation of 5-20 kW heat strips Factory-installed fan relays for installations without heat strips 10-year limited parts warranty for peace of mind ETL and ETLC approved for safety and compliance AHRI certified for efficiency and performance Variable speed blower motor for tailored airflow Configurable for upflow, counterflow, and horizontal applications Approved for use in manufactured housing and mobile homes Proudly made in the USA