The EDX2800 is the #1 seller at Skyray Instrument Inc. With over 3000 of these leaving our manufacturing plant yearly, the EDX2800 stands out in price, usability, repeatable testing. The EDX2800 is equipped with 8 automatic collimators and 5 automatic filters which makes the system completely automated. Another great benefit of utilizing the Skyray EDX2800 system is that it does not require any Liquid Nitrogen, this goes for all our systems.