The Thermo Fisher Scientific Forma Environmental Chamber Model 3920 is a robust environmental chamber designed for precise temperature and humidity conditioning. It offers reliable performance for laboratory, industrial, and research environments requiring controlled climate conditions. The chamber features multiple adjustable shelving, stainless steel interior surfaces, and sturdy construction ensuring sample integrity. Ideal for applications in stability testing, biological sample storage, and environmental simulation. This model supports versatile conditioning with refrigerant R-134a for effective cooling. Its reliable electrical configuration permits safe and efficient operation in diverse lab settings.