Step Down Diffuser with Slide-in Damper 425-16X16 Step Down Ceiling Diffuser contour molded fiberglass back with

contour molded fiberglass back with a foil barrier backing

listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square Collar

Standard Features * Stamped curved blades * Field adjustable for positive throws and control of face velocities * Provides uniform air distribution across ceiling or walls * Eight air patterns * All component parts

Countersunk mounting holes for flush appearance with stainless sheet metal screws

Step Down Diffuser with Slide-in Damper 425-16X16 Step Down Ceiling Diffuser contour molded fiberglass back withStandard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step down design * 4 way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * One piece removable slide damper for off season closure * Soft White