Diffuser 845-18X16 Step Down Ceiling Diffuser 3/16” holes on 1/4” staggered

3/16” holes on 1/4” staggered centers Extruded aluminum frame with signature line marks Perforated material 58% free area Countersunk mounting holes for flush appearance with color matching Phillips posi- drive screws Rust resistant pre-coat with durable powder finish Soft White

Stamped steel face with roll formed frame

Maintains horizontal airflow pattern

2" ADC compliant round collar with a bead for ease of installation

Designed for large volume air delivery

Diffuser 845-18X16 Step Down Ceiling Diffuser 3/16” holes on 1/4” staggeredStandard Features * 3 way diffusion for draft free heat or air conditioning * For ceiling or sidewall applications * All component parts, rivets, linkage, and handle, are enclosed in the valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Steel multi shutter damper * Soft White Options * 845 O steel lever operated opposed blade damper * Tamper proof screws * Standard