Add these Black Ceramic Fiber River Rocks to your fireplace or fire pit. They are used as both a filler under fire glass or as the beautiful center of attention.
- Black heavy duty lava rock
- Used as both a filler or centerpiece
- Increases combustion efficiency
- Gorgeous natural look for your backyard
This lava rock is time tested and proven to increase combustion efficiency, while maintaining a classy look for any fire pit. Each piece of rock varies from 2.5"-4.5", giving the arrangement a variety of sizes for uniqueness. Set includes 84 assorted pieces.