Round Aluminum Air Louver 4901-IS-8 Commercial 3 or 4 way patterns

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

Spiral pipe diameter must be 4” larger than the width of the grille

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

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

Round Aluminum Air Louver 4901-IS-8 Commercial 3 or 4 way patternsStandard 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