Genuine replacement Stovax Huntingdon 40 rear firebrick, part number HUM3.

The Huntingdon 40 rear firebrick sits at the back of your stove to protect it from the intense heat generated when using your stove and is compatible with both the Huntingdon 40 MK1 and MK2 stove models.

In total the Huntingdon 40 features three firebricks inside the stove; the rear firebrick, the left hand side firebrick and the right hand side firebrick.