Clay Fire Brick? How about these?

The Monessen DFS Vent-Free Gas Fireplace with Cottage Clay Firebrick and Blower - 36 Inch by Monessen is on sale now. Buy now to take advantage of this super low ...

The Small Monessen Reveal Direct Vent Gas Fireplace Insert with Cottage Clay Firebrick by Monessen is on sale now. Buy now to take advantage of this super low ...

The Monessen Cottage Clay Firebrick Liner - For 42 Inch Winchester Convertible Clean Face Direct Vent Gas Fireplaces by Monessen is on sale now. Buy now to take ...

The Monessen Cottage Clay Traditional Firebrick Liner - For 36 Inch BBV Slim-Line Radiant B-Vent Natural Gas Fireplaces by Monessen is on sale now. Buy now to take ...

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The Monessen Cottage Clay Traditional Firebrick Liner - For 48 Inch Covington Clear View See-Thru Direct Vent Gas Fireplaces by Monessen is on sale now. Buy now to ...

The Monessen Cottage Clay Traditional Firebrick Liner - For 48 Inch Covington Clear View Direct Vent Gas Fireplaces by Monessen is on sale now. Buy now to take ...

The Monessen Cottage Clay Traditional Firebrick Liner - For 60 Inch Covington Clear View Direct Vent Gas Fireplaces by Monessen is on sale now. Buy now to take ...

The Monessen GRUF Universal Vent-Free Circulating Firebox with Radiant Clean Face and Cottage Clay Firebrick - 32 Inch by Monessen is on sale now. Buy now to take ...

The Monessen GRUF Universal Vent-Free Circulating Firebox with Radiant Clean Face and Cottage Clay Firebrick - 36 Inch by Monessen is on sale now. Buy now to take ...

The Monessen GRUF Universal Vent-Free Circulating Firebox with Radiant Clean Face and Cottage Clay Firebrick - 42 Inch by Monessen is on sale now. Buy now to take ...

The Monessen Universal Ventless Gas Firebox with Cottage Clay Firebrick - 42" by Monessen is on sale. Buy now while the incredible deal is available! There ...

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The Monessen DFS Vent-Free Gas Fireplace with Cottage Clay Firebrick and Blower - 42 Inch by Monessen is on sale now. Buy now to take advantage of this super low ...

The Monessen DFS Vent-Free Gas Fireplace with Cottage Clay Firebrick and Blower - 32 Inch by Monessen is on sale now. Buy now to take advantage of this super low ...

The Monessen Parlor Vent-Free Gas Fireplace with Arched Front and Firebrick Liner - 20 Inch by Monessen is on sale now. Buy now to take advantage of this super low ...

The Monessen Vintage Brown Herringbone Traditional Ceramic Fiber Firebrick Liner - For 36 Inch Arlington Designer Peninsula Direct Vent Gas Fireplaces by Monessen ...

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The Monessen Cottage Red Traditional Ceramic Fiber Firebrick Liner - For 36 Inch GCUF Universal Vent-Free Circulating Fireboxes, GRUF Universal Vent-Free ...

The Monessen Vintage Brown Herringbone Traditional Ceramic Fiber Firebrick Liner - For 36 Inch Arlington Designer See-Thru Direct Vent Gas Fireplaces by Monessen is ...