PayandPack Myard 15" inches Country OAK Style Complete Fire Gas Logs Set with HEARTH KIT for Vented Gas Fireplace HEAVY DUTY, not foamed alumina ceramic or glass (light & fragile). The logs are steel reinforced, and made with lave granules and high heat ceramic refractory that is used to check rocket engines. Hearth Kit parts are mostly made of Stainless Steel or fine copper, Safe and Durable! Includings: Logs set, Burner, Pan, Grate, Sand, Connectors, Damper Clamp & Embers. By 3 generations of designers, logs are designed, handwork manufactured in CA USA. Type: 15" 4-LOG set Country Oak style Vented Gas Logs + Hearth Kit Approved Certification is through OMNI TESTING LABORATORIES. Indoor gas logs sets have limited LIFETIME WARRANTY by manufacturer.