The Groen 144847 21-1/4" Long Steel Burner W/ Air Shutter combines durable construction with adjustable airflow for consistent heating performance. Its steel burner body supports efficient gas distribution, while the integrated air shutter allows precise adjustment of the fuel-to-air mixture to promote stable, even combustion. This configuration maintains reliable flame characteristic... https://partsfe.com/steel-burner-21-38-long-for-groen-part-144847