Spark Fireplaces Lavastone Fire Object for FW36 Fire Window Fireplace sqft300 The non-toxic smoke is primarily

The non-toxic smoke is primarily carbon dioxide

Do both pots come with lids

2 colors of vermiculite

Each Fyre Gem is approximately 5/8" in diameter and is manufactured to withstand the extreme heat and temperature variations in the fireplace without melting or discoloring

Spark Fireplaces Lavastone Fire Object for FW36 Fire Window Fireplace sqft300 The non-toxic smoke is primarilySelected from Hawaiian volcanos, Lava stones are porous and range from black to dark gray, to give your fireplace an exotic modern look. Features Enhance the visual appeal of your Spark fireplace and create a truly bespoke look with dazzling details. Specifications Model FW36 Lavastone Size Range 0. 5" 2. 5"