Coleman RV Air Conditioner Ceiling Assembly Cool Only Chille GrilleColeman RV Air Conditioner Ceiling Assembly Cool Only Chille Grille Coleman Mach Deluxe ChillGrille Ceiling Assembly, Cool Only, for lateral ducting systems to duct supply air towards the sides of the coach. Low profile Euro styling provides a contemporary look and feel. Utilizes Coleman Machs exclusive DirectFLOW louver system: simply open the specially designed louvers to channel cold air directly into the RV interior, or close the louvers to divert