Eggcrate Return and Exhaust Air Grille

Model G120: Grille with 0-degree grid core
Model G121: Grilled with 45-degree grid core

Eggcrate Return and Exhaust Air Grille

Eggcrate Return and Exhaust Air Grille

Minimum size : 150 x 150 mm
Maximum size : 1200 X 1200 mm
Standard Overall Size to suit Tee Bar Ceiling : 594 X 594 mm and 1194 X 594 mm
Other Standard Size:
Nominal Neck Size  Airflow (cmh)
G121 G120
200 x 200mm up to 325 up to 432
250 x 250mm up to 450 Up to 675

Description        :

Connols-Air Eggcrate Return and Exhaust Air Grille frames are constructed of heavy gauge extruded aluminium alloy 6063 tempered to T5. The 12.5 x 12.5 x 12.5mm grid core is constructed of thin aluminium strips pressure welded. Frames are assembled using corner inserts.


  • Frame and core are constructed of corrosion resistance aluminium.
  • Corner inserts ensure hairline butting of frames.
  • Damper is easily adjustable from the face of the grille.
  • Designed for surface mounting or install on inverted T-bar ceiling.
  • 45-degree grid core minimize visibility through the grille as shown in the picture above.
  • Certified Performance Data obtained from a NATA independent Testing Laboratory.