Front Board Duct Adapter in Minisplitwarehouse.com Choose from more than 200 products that suits your needs exactly! Get Front Board Duct Adapter for Slim Ducted Indoor Units. Price: $139.99 ex. tax. Call us 877-770-3548 or visit our website.
LINK:
https://www.minisplitwarehouse.com/category/accessories
Please See the Diagram Below, Make sure it will work for your indoor unit.
Option 1 (8.3” x 33”) (Fits: DLFLDAH18XAK)
Option 2 (10.6” x 24.3”)
(Doesnt fit our models, so make sure this will cover the outlet opening of your unit)
Option 3 (10.5” x 42.6”) (Fits: DLFLDAH24XAK, CH-24LCDTU/I, CH-M24DTUI)