# The Gordon Cellar Door 18 in. Extension for RD-3 Doors is primed red and can be painted. It is made of heavy-gauge steel and designed for extending the RD-3 cellar door to cover longer openings. Designed to accommodate openings that are longer than the door size.

**Manufacturer:** Gordon Cellar Door  
**MPN:** `X318`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Gordon Cellar Door |
| Manufacturer name | Gordon Cellar Door |
| Manufacturer | Gordon Cellar Door |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Home Depot | 202929870 | 67.4 | 1 | None | 1 |

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