The Panasonic FV-05VSB1 is a four pack of fan motors and grills for the Panasonic FV-05VS1 Bathroom Fan. The Panasonic FV-05VSB1 is a four pack of replacement motors and grills and is deal for jobs that require replacing the motor or grill or both. This great four pack is great for contractors that have multiple bathroom fans to install.Ideal for projects that require multiple ventilation fans Ideal for replacing old motors or grills or both Designed for use with FV-05VS1 4 Pieces Per Case