Round Aluminum Air Louver 4901-IS-7 Residential Registers & Grilles remove the two center cones

remove the two center cones as a unit and reposition the six screws

PERFORMANCE DATA 600TFG Series Engineering/Performance Data

UL listed and tested in accordance with UL Standard 555C

Double deflection radius mount spiral pipe grille with adjustable blades

Smoke Test and More Information on MA Series Diffusers

Round Aluminum Air Louver 4901-IS-7 Residential Registers & Grilles remove the two center conesStandard 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