Check the listing for details. Pleasant Hearth Glowing Ember Fiber, 4 oz.. Condition: New. Listed at 20.50 USD. Pleasant Hearth Glowing Ember Fiber, 4 oz. Pleasant Hearth's Glowing Ember Fibers (Rock Wool) provide the same effect of a glowing bed of ashes in a wood-burning fire. For best results use as directed in your owner's manual. Pair with Lava Rock (LVR100) for enhanced look - sold separately. Made in the USA. 1 Year Warranty. Features Vented or VF Ember Burner Log Sets OnlyAdd realism to gas logs & creates the illusion of a realistic burning ash bedLonger Life ExpectancyPair with Lava Rock (LVR100) for enhanced look - sold separatelyMade in the USA; 1 Year Warranty USA SHIPPING eBay estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.