... Width:1.85--3.20m Advantage:High Gain DESCRIPTION:Item:High quality grey rear projection filmItem No.:sjc-155Base ... L&R50°)Working Temperature:-20°--+40°MOQ:2000MAdvantage:High GainTechnical index: As requiredProduct Description:Structure: ... ,low cost, and it prevents mold ,fire ,water ,wrinkle ,static electricityand so on ;the screen fabric ... .85 - 3.20mcm IMAGE: High quality grey rear projection film