Universal Heavy Duty Foldable Insulated Wall Sleeve for Standard PTAC 42" x 16"

Universal Foldable Wall Sleeve for Standard Size PTAC, 42" x 16" Packaged Terminal Air Conditioners and Packaged Terminal Air Conditoner Heat Pumps (PTAC and PTHP) are all-in-one heating and cooling units that are easy to install and use, but they do require a wall sleeve and a grille. The wall sleeve is used for PTAC thru-the wall air conditioners, also sometimes called hotel-type air conditioners or wall air conditioners. Industry standard wall sleeve fits all PTACs and PTHPs TMDK-F foldable wall sleeve internally insulated for noise reduction Quick replacement or for new construction Universal size: 42” x 16” Unique, foldable design for storage, if necessary  Grille TMAG sold separately