... Drain Cover, FRP Fiberglass Drain Grating,Round or Square The FRP composite drain cover adopts model ... 50 times to the aciera, corrosion resistant,do not fade, installing conveniently, good safety performance,and ... energyNO.7POPULARITYPopularly applied in environment of 40oC-60oCDo not adapt to low temperatureNO.8SOCIAL EFFECTSLittle pollution,Less ... , FRP Fiberglass Drain Grating,Round or Square