The Antunes 400K123 Blower Kit 120V supplies airflow within compatible heated display cabinets, helping circulate air around the product area during operation. This assembly is rated for 115/120V, 60Hz, and 43W, and is listed for Roundup DCH series equipment. Antunes documentation identifies the 400K123 as a blower kit that includes the blower cage bearing and grommet kit. https://partsfe.com/blower-kit-120v-for-roundup-part-400k123