1.pvc strip curtain 2.Anti-static 3.noise-free and cold risistant 4.insectproof and ... cold or warm air draining, and provide a barrier for dust and ultraviolet ray. It will be more economy ... , and used in special conditions. Work as a barrier for sunlight and light, cold or warm air, dust and ... , and used in special conditions, working as a barrier for sunlight and sight, cold or warm air, dust and ...