Royall 6200 Boiler Complete Firebrick Replacement Set Contains (12) 9" Long, 4.5" Wide, 1.25" Thick firebrick, and (2) 9" Long, 2.25" Wide, 1.25" Thick firebrick For Royall Boiler Model: 6200 Only • Non-Asbestos • Non-Combustible NOTICE: This Firebrick product is susceptible to damage and/or breakage during shipping transport due to rough handling by shipping services (UPS, DHL, etc) ShopRoyall.com and Royall Products will NOT be responsible for any damage or breakage to firebrick incurred during shipping of the product to your home or business. We highly recommend that you seek out local providers (Home Dept, Lowes, etc) for firebrick replacements. We're happy to sell firebrick to you but we Will Not Replace ANY Firebrick That Is Damaged During Shipping.