1. The material is made of metal, aluminum or extruded synthetic resin..2. This design is a frame member for windows installed on the cleanroom door which constitutes a double glass so that no dust accumulates in the clean room structure used for medicine, semiconductor, etc..3. By differentiating the colors of our design according to cleanliness or compartment according to usage, workers can easily distinguish the workplace..4. Reference drawing 1. As shown in the usage diagram shown in Fig. 3, the design of the present invention is designed so that no foreign material can be caught by making a shape at a time without a separate connector..5. 1. 1 is a diagram expressing the overall shape of the front surface of the design, and FIG. 1. 2 is a drawing expressing the overall shape of the rear surface of the design, and Fig. 1. 3 is a drawing expressing the front of the design, and Fig. 1. 4 is a drawing expressing the back side of the design, and Fig. 1. 5 is a drawing showing the left side of the design, and Fig. 1. 6 is a drawing showing the right side of the design, and Fig. 1. 7 is a drawing expressing the plane of the design, and Fig. 1. 8 represents the bottom of the design..6. Reference drawing 1. 1 shows a state in which the present article and the frame member 2 are connected.And Fig. 1. 2 is a view showing a state of use in which a transparent window is mounted on the article of the present invention; .The combination of the overall shape and shape of the " window frame member 1 for clean room cleanliness classification" as the point of design content.