Select from the following: 
 
8430A6301 - No Control Box, Straight Through Roof Ducting
8430A633 - Cool Only
 
ChillGrille Ceiling Assemblies
Designed especially for ducted Coleman-Mach air conditioners. Exclusive DirectFlow Louver system provides cool air where you need it for personalized comfort in any RV.
Open the specially designed louvers to channel cool air straight down into the cabin
Close the louvers to divert cool air through your existing duct system
Exclusive EZReach Filter System provides quick access to the washable air filter - simply loosen the fastener and swing out the grille to remove the filter
Installation is fast and easy with detailed and illustrated instructions
Slender profile provides plenty of overhead clearance