This all-aluminum transaction window allows for natural voice communication by featuring a secure air passage for voice transmission through the frame. With no visual obstructions, this product is best for communication within three feet of the window. Maximum width of 36” and maximum height of 48”. Available in a satin or dark bronze anodized aluminum finish, this unit incorporates either a plastic laminate or stainless steel counter. Available as counter mount or recessed stainless steel configuration.