Introducing the Glas-Col Hemispherical Mantles, Series O! Designed for efficient heating, these mantles feature a durable glass fabric exterior that ensures excellent thermal performance. Ideal for laboratory applications, they provide uniform heat distribution, making them perfect for various experiments. With a hemispherical shape, they maximize surface area contact, enhancing heating efficiency. The model 100AO402 is built to withstand high temperatures while maintaining structural integrity. Upgrade your lab equipment with these reliable and effective mantles for consistent results in your heating processes!