Perforated return grilles have a standard 51 percent free area on the face and can be used as a matching return in conjunction with perforated supply diffusers. Additional options include a filter frame and steel, aluminum or stainless steel construction. FEATURES AND BENEFITS Models 8R provides a smooth, perforated face that fits flush with the ceiling to blend with the room decor 3/16” staggered holes on ¼” centers 51% free area Optional opposed blade damper has screwdriver adjustment accessible through face of grille Material is steel

Type CH30 is used where uncertain alignment is anticipated during installation. At normal load the hanger rod will operated to a full 15 degree tilt in any direction from vertical centerline. Spring rated deflection is 1". The housings of these units are specially reinforced for extra strength. All housing sizes have been tested to carry 5 times maximum load without failure. The pre-compression rod is furnished with units which have the "R' options, specify Rod Diameter. This rod will extend about 3" below the Neoprene Sleeve.

Roof Fan- Direct Drive G-143-VG VariGreen EC w/Potentiometer (400-2875CFM) 115/1 3/4HP-22x22 cap