6 inch for 2 grates

Spirit 700

Fits Charbroil 4637219

466436513 Gas Grills

Black Lava Rock 10 Pounds 0.2-0.3'' Volcanic Lava Stones for Indoor Outdoor Fire Pits Fireplaces Gas Grill and Landscaping 2251398 6 inch for 2 gratesA Variety of Sizes of Lava Rock for Your Choice Sizes from 0. 4" 0. 8", 0. 8" 1. 2", 0. 2" 0. 3", 0. 3" 0. 6", 10 Pounds. Available in black or red with porous surface. No chemicals, fillers or colors added. Safe for Indoor and Outdoor Use Volcanic stones are heat proof and non fading and non toxic. It is ideal to use in fire bowls, fire pits, and fireplaces. Gas compatible, eco friendly and safe. High Quality & Low Maintenance Black fire rock can