| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | A Y MCDONALD MFG CO | AY 4173-168 | 74M4A X800 FRAME 21 - REC CVR 11.5 |
| | A Y MCDONALD MFG CO | AY 4173-173 | 74M4ALB X800 FRAME 21 - REC PLASTIC CVR 11.5 LG BOLT |
| | A Y MCDONALD MFG CO | AY 4173-180 | 74M3ACT FRAME 20 - SPIKED FRAME 20 - REC CVR 11.5NON-REC CVR 11.5 OFFSET H |
| Manufacturer | A Y MCDONALD MFG CO |
| Specifications | 21 in ID Tile and 11-1/2 in Opening Cover |
