Polar White, Non-Ducted ADB for Wall Mount T-Stat. Requires LCD or CCC2 Thermostat. Works with Upper Unit Models: B57915, B59516, 459530, 459146, 640312, 640315, and 650015. • Modern styling from Dometic. • Constant, reliable performance. • Designed for easy operation. • Rapid cooling. • Quick cool air dump. • Five multi-directional air slots. • Adjustable, ratcheting side vents shoot cold air directly into slideouts and problem areas. • Long lasting Hepa-style, washable filters for cleaner, scrubbed air.