Round Aluminum Air Louver 4902-IS-12 Step Down Ceiling Diffuser Standard Features * T-Bar lay-in

Standard Features * T-Bar lay-in filter grille with steel removable perforated face * 3/16" holes on 1/4" staggered centers * 20" x 20" x 1" filter (not included) * Square collar for 20 x 20 duct * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * Square to round No Labor Collar

Delivers supply air in a 360°air pattern

Allows for 4-way airflow

FGAD Series Submittal

Round Aluminum Air Louver 4902-IS-12 Step Down Ceiling Diffuser Standard Features * T-Bar lay-inStandard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS Insect screen * Standard Color or Designer Color Finish available on this product