I SUPPLY AIR DUCT 90 Degree 18 x 18 with a 4 LONG Throut (see Pictures) GALVANIZED STEEL 26 GAUGE. We do not bend drive on any 90’s that is up to you to put the bend on the side you need it on! IF YOU DON’T SEE THE SIZE YOU NEED LET ME KNOW AND I WILL BUILD THE SIZE YOU NEED JUST FOR YOU. (tools shown in some photos are not included). MADE IN THE USA! THANKS FOR LOOKING AND PLEASE VISIT MY STORE FOR MORE GREAT DEALS!