The Lectric IV-C MDF has been designed for large in-ceiling projection applications. The Lectric IV-C MDF features an all MDF housing and is available in sizes up to 240" D (4:3). Designed for use with flexible tab-tensioned screen surfaces including BriteWhite, BriteWhite Opaque, Rear-Vu and GreyDove. Lectric IV-C MDF housing is plenum rated and interfaces with low voltage relays, IR , RF, and RS-232 remote controls. This product features plenum rated heavy duty MDF housing with black finish. An optional service door as well as an optional white or black mica finish are available.