Opal white triple wall polycarbonate multi wall sheet 1. 100% vrigin GE/ ... 2. UV & 10 years warranty 3. ISO 9001,ROSH opal white twin wall polycarbonate sheet Gensin three wall pc sheet has good ... guaranteeApplications: Skylight, roofing, Carports, Indoor partition, Cover of greenhouse Opal white twin wall polycarbonate sheet