Constructed with Gold Fin™ anti-corrosion resistant finish for unit protection from outside air and for long lasting durability. Allows easy through-the-wall installation. Use with LG and other brands including Global, Friedrich, GE, Amana, Whirlpool, Fedders and Frigidaire. Protective stamped aluminum grille on exterior surface provides safety. Size is 25-5/16" W x 15-5/16" D x 14-7/8" H.