The Panasonic FV-05-08VSA1 is a four pack of housings for the Panasonic FV-05VS1 Bathroom Fan and Panasonic FV-08VS1 Bathroom Fan. The Panasonic FV-05-08VSA1 is a universal housing and ships in a pack of four units. This great four pack is great for contractors that have multiple bathroom fans to install.4 Pieces Per Case Ideal for projects that require multiple ventilation fans Designed for use with FV-05VS1 and FV-08VS1Batteries Included: No Depth: 14 Height: 17-1 2 Weight: 18.6 pounds Width: 17