At 30" (762 mm)

ASI specifies installation with (2) #10 self-threading flat or oval head screws per flange (or other fasteners suitable for the substrate)

The unit is designed to accept rolls that are of standard or 1800 sheet sizes that are 4-1/2 inches in width by 5-1/4 inches in diameter

From the Tech Data

4 satin finish

ASI 0469-9 Combination Commercial Paper Towel Dispenser/Waste Receptacle, Wall Mounted, Stainless Steel Capacity-46 oz At 30" (762 mm)Combines a paper towel dispenser and a waste receptacle in one unit. Dispenses 600 C fold or 800 multi fold paper towels. Features a 12 gallon stainless steel waste receptacle. Surface mounted design with stainless steel collar enhances durability. Towels are self feeding until depleted, supporting easy reloading. Waste container is manually emptied as needed. Locking mechanism prevents unauthorized access or removal. The ASI 0469 9 Paper Towel