Fire Pit Essentials 10 lbs. of Red 1/2 in. to 1 in. Round Lava Rock - Fire Rock for Fire Pits and Fireplaces 01-0347 - The Home Depot

Highlights

Improves flame performance by spreading the gas dispersion in all directions ideal on its own or as a base layer underneath fire glass or even mixing the lava and glass together
• Gas compatible
for use in indoor and outdoor natural gas and propane fireplaces and fire pits; perfect to replace faux fire log sets
• Eco-friendly and safe for indoor and outdoor applications; no color additives or chemicals
• Hassle-free installation: lava rock is easy to install
simply pour straight from the bag into your fire pit or fireplace
• Guaranteed heat-proof: quality inspected and tested for use in high heat installations; 100% fireproof and will not melt or discolor with proper use