APPLIANCE ADAPTER: The Appliance Adapter Enables Users To Affix The Exhaust Hose To The Back Of The AC Unit! MODELS: This Appliance Adapter Is Compatible With The Following Model Numbers: RACPD1213CWRC, RAC-PD1213CWRC, RACPD1213CWRU, RAC-PD1213CWRU INSTALLATION INSTRUCTIONS: Installation Instructions Do NOT Accompany This Part - Your User Manual Contains Installation Instructions! WHAT YOU GET: This Offering Is For ONE Appliance Adapter That Is Specifically For The Above Models! If You Do NOT See Your Model Number Listed, Send A Message For Assistance In Purchasing The Correct Item! This part does NOT come with installation instructions. Installation Instructions Are Within Your Devices User Manual. This AC Appliance Adapter is used to affix the exhaust hose to the back of the AC Unit. This adapter is compatible with model numbers RACPD1213CWRC, RAC-PD1213CWRC, RACPD1213CWRU, RAC-PD1213CWRU. If your Air Conditioner model number is NOT listed above, please send a message for assistance in locating the correct part!