Large Size---This outdoor fire pit ring measures 4 x 4 x 1ft

Material : Stainless Steel

This heater can adapt to 1 lb propane (CGA660 standard) and butane (CGA510 standard) gas cylinders

The 8” x 32” Chimney Flue blocker pressure fits into a 8" x 32" or smaller rectangular flue opening

Black Lava Rock 10 Pounds 0.4-0.8'' Volcanic Lava Stones for Indoor Outdoor Fire Pits Fireplaces Gas Grill and Landscaping 616.4251001 Large Size---This outdoor fire pitA 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