| NECK SIZE (mm) | FACE SIZE (mm) | EGGCRATE SIZE (mm) | DESCRIPTION | COMPLETE WITH METAL ADAPTOR |
|---|---|---|---|---|
| 140 x 140 | N/A | 12 | Eggcrate Return Air Grille | No |
| 140 x 140 (150mm) | N/A | 12 | Eggcrate Return Air Grille | 150mm (6") |
| 190 x 190 | N/A | 12 | Eggcrate Return Air Grille | No |
| 190 x 190 (150mm) | N/A | 12 | Eggcrate Return Air Grille | 150mm (6") |
| 190 x 190 (200mm) | N/A | 12 | Eggcrate Return Air Grille | 200mm (8") |
| 240 x 240 | N/A | 12 | Eggcrate Return Air Grille | No |
| 290 x 290 | N/A | 12 | Eggcrate Return Air Grille | No |
| 290 x 590 | N/A | 12 | Eggcrate Return Air Grille | No |
| 290 x 740 | N/A | 12 | Eggcrate Return Air Grille | No |
| 290 x 890 | N/A | 12 | Eggcrate Return Air Grille | No |
| 390 x 390 | N/A | 12 | Eggcrate Return Air Grille | No |
| 390 x 490 | N/A | 12 | Eggcrate Return Air Grille | No |
| 390 x 590 | N/A | 12 | Eggcrate Return Air Grille | No |
| 390 x 740 | N/A | 12 | Eggcrate Return Air Grille | No |
| 390 x 890 | N/A | 12 | Eggcrate Return Air Grille | No |
| 440 x 440 | N/A | 12 | Eggcrate Return Air Grille | No |
| N/A | 595 x 595 | 12 | Eggcrate Return Air Grille | No |
| N/A | 595 x 1195 | 12 | Eggcrate Return Air Grille | No |
