I wanted to insulate my fire box and figured fire brick was the way to go so here are the results.
Using a new recording device and I'm getting used to it. sorry about the low volume situation. If you have any questions, please feel free to post and I will respond as quickly as possible.
Here's the link to the fire bricks:
Rutland Products Fire Brick, 6 count, Pack of 1 https://a.co/d/ewO7n3o
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