Rectangular Muffle Furnace 9X4X4 Inner Chambe 900 dgree heavy duty work, manual analoge meater 22 guage havy indutrial grad sheet matel kanthal wire heating element.

 Rectangular Muffle Furnace is a heavy-duty laboratory and industrial heating solution designed for applications requiring controlled high-temperature processing up to 900°C. It features a compact 9 × 4 × 4 inch inner chamber, making it suitable for sample testing, ash determination, heat treatment, sintering, and ceramic work. Constructed from 22-gauge industrial-grade sheet metal, the furnace ensures strength, stability, and long-term performance in demanding environments. The Kanthal wire heating element provides efficient and uniform heat distribution, helping maintain consistent temperature throughout the chamber. The furnace is equipped with a manual analog meter, allowing easy temperature monitoring and straightforward operation without complex electronics. Its robust design and reliable heating system make it an excellent choice for laboratories, educational institutions, research centers, and industrial testing units.