Enhance your fire feature display with the realistic look of burned ash. Rasmussen Volcanic Ash is used as burner pan filler for vented indoor and outdoor fireplace applications. Rasmussen Volcanic Ash is used with Propane vented indoor/outdoor fireplaces as well as outdoor firepits and tables. Rasmussen recommends Volcanic Ash for Outdoor Natural Gas vented fireplaces and fire pits to achieve an even flame outdoors. For Natural Gas indoors Silica Sand is best. Available in 4 sizes: 3 lbs Bag, 5 lbs Bag, 15 lbs Box and 45 lbs Box 15 lb Box - 512 cu. in box 45 lb Box - .75 cu. ft box

PROP65 NOTICE WARNING: This product can expose you to Carbon Monoxide, which is on the list of substances known by the state of California to cause cancer, birth defects or reproductive harm.For more information: https://www.p65warnings.ca.gov/