This 3310741.016 Dometic control assembly for the inside ceiling is good for both the low profile Penguin 13.5 and 11,000 units that is non ducted. It is made by Dometic, a brand that people has been trusting for many years now with all of their RV needs and wants. The compact ceiling assembly is only 2 1/2" thick. The ceiling assembly has recessed dial controls and one-piece rotating air deflection louvers for infinite adjustability.The ergonomic control panel has bold, bright legends, large knobs and is angled for easy read and reach. It is also recessed for safety to prevent hitting your head.A permanent rinse-and-reuse filter traps dust and pollen to help keep the motorhome or camper interior clean and fresh. Designed for easy operation for a Dometic Penguin 13.5K and 15K rooftop non-ducted RV air conditioners. Quick cool function.Five multi-directional air slots.Adjustable, ratcheting side vents shoot cold air directly into slideouts and problem areas. The removeable, rinse-and-reuse HEPA-style filter traps dust and pollen to keep your RV interior air clean and fresh.