Range: 32L, 55L, 75L, 110L, 160L, 260L, 450L, 750L, and 1060L . The universally applicable lab oven U is Memmert’s classic appliance for temperature control in science, research and material tests in industry. The technologically perfected masterpiece made of high-quality, hygienic, easy-to-clean stainless steel leaves nothing to be desired in terms of ventilation and control technology, overtemperature protection and precisely tuned heating technology.