Is there a filter grid configuration on the photo shelf

Is there a filter grid configuration on the photo shelf?
Newheek has a variety of photo racks to choose from, and the device types of photo racks can be customized according to customer needs. The filter grille is also a selection device, which can be selected according to customer needs. Newheek also has a fixed filter grille photo rack, which can be used in a variety of medical diagnostic machines. The human head, chest, abdomen, pelvis and other parts of the filter line photography. The device can be positioned arbitrarily in the range of vertical upward and downward movement. The operation is simple, flexible and reliable, and the range of use is wide. The device is composed of a filter grid, a cassette drawer, a column and a pulley frame.