Round Aluminum Air Louver 4901-IS-8 Commercial NGD - Narrow ceiling grid

NGD - Narrow ceiling grid dimples for 9/16" T-Rails

Standard Features * T-Bar lay-in panel with perforated face * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar attached to panel * Soft White Options * 105 P D - multi-shutter damper with hinged perforated face * 105 P O - opposed blade damper with hinged perforated face * TVB - Thermal Vapor Blanket * Square collar

Dampers above 80 square inches free area will be provided with blade insulation

3 or 4 way patterns * Spring push release for easy access to adjust pattern controllers * Round No Labor Collar sizes: 6-10"

Standard Features * Cones are one-piece stamped construction providing a clean

Round Aluminum Air Louver 4901-IS-8 Commercial NGD - Narrow ceiling gridStandard Features * Lightweight Aluminum vent louver * Able to withstand wet and corrosive environments * Spring clip mounting * 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