ENHANCED DURABILITY - Constructed from high-quality Pyrex glass with a 2.8mm thickness, this cover provides robust protection for your flash tube against accidental damage, ensuring longevity. OPTIMIZED LIGHT DIFFUSION - The clear 300K coating ensures consistent and natural light output, enhancing your photography with even illumination and accurate color temperature. SUPERIOR HEAT RESISTANCE - Made with Pyrex glass, this cover effectively withstands high temperatures from the modeling light, preventing thermal stress and extending the flash tube's life. SIMPLE INSTALLATION - Designed for easy mounting on Profoto Pro and Acute heads, the 100mm glass cover can be quickly installed, saving you time and effort during setup.