Details Sound deadening insulation, Quiet White series wall sleeve. 14 1/8" D x 42" W x 16" H, galvanized steel https://newros4lessmedia.s3.us-east-2.amazonaws.com/100880/Wall Sleeve Installation Instructions.pdf Overview: Wall Sleeve by AmanaSound Deadening Insulation WS900QW-GS
https://newros4lessmedia.s3.us-east-2.amazonaws.com/100880/Wall Sleeve Installation Instructions.pdf
