... CE certification1. Healthy and non-toxic 2. Long life span 3. Good resistance to corrosion 4. Light weight, high intension, and ... installationsize:S25×20,S32×20,S32×25,S40×20,S40×25,S40×32,S50×20,S50×25,S50×32,S50×40,S63×20 ... ,S63×25,S63×32,S63×40,S63×50color:grey white green and ...