✓ COMPATIBLE WITH SELECT PORTABLE AIR CONDITIONERS ✓ INCLUDES 8'L X 20""D AIR DUCT & CEILING ADAPTER PLATE ✓ ALLOWS ACS TO EXHAUST INTO A DROP CEILING SPACE THE GLOBAL INDUSTRIAL CEILING DUCT KIT ALLOWS PORTABLE AIR CONDITIONERS TO SEND HOT EXHAUST AIR THROUGH A DROP CEILING SPACE WHILE PROVIDING EXCELLENT VENTILATION. THIS KIT INCLUDES ONE 8-FOOT LONG X 16-INCH DIAMETER WHITE PVC AIR DUCT A CEILING ADAPTER PLATE AND CLAMPS. COMPATIBLE WITH PORTABLE AC MODEL 292846(R)