Description about the system: Product Name pvc drainage system Shape K-type Main Color White/Gray/Brown or cutom made color Advantages 1.ASA double-color coextrusion, color never fade 2.High temperature resistance, anti-aging, anti-oxidant, acid-base mold erosion resistance, oxidation resistance. 3.Easy to cut and install 4.Ethylene polymer material, leed-free, good UV performance 5.Recyclable ...