Emberglow VFB32 is a universal gas-fired vent-free firebox that can be paired with any ANSI Z21.11.2 approved vent-free gas log set. It is designed for use with decorative gas-fired unvented room heaters not exceeding 40,000 BTU/h. The firebox is made of durable materials and is backed by a warranty, ensuring its longevity and reliability. The VFB32 is easy to install and can be customized with optional accessories to match your specific needs and preferences.