The ASI 3701-36 meets this requirement exactly

A rough opening that measures 11-3/8 inches in width by 15-5/8 inches in height is required for installation

this is commonly specified as a vertical grab bar for shower transfer assist per §608

the wall must be between 5-1/2 inches and 9-7/8 in thickness

The shelf features a 1-inch hollow pan construction and has a backsplash on three of its sides to protect the surface of your walls

ASI 6467-41 Piatto Recessed Paper Towel Dispenser and Waste Receptacle, Black Phenolic Door, 13" x 55" x 4-9/16" Material-Phenolic Door The ASI 3701-36 meets thisPlease note: once in production, ASI Piatto items cannot be canceled or returned. Please double check your measurements before ordering. This sophisticated combination paper towel and waste receptacle cabinet is designed to be completely recessed into the plane of the washroom wall, highlighting the seamless design that defines Piatto. The phenolic door is attached to the cabinet using field adjustable, furniture quality hinges and is secured shut by