HRTdrain channel in Plastic channel (PP (Polypropylene); or PE-HD) Polypropylene channel ; en1433 drainage channel is a material that has a good mechnical and heat resistance. it resists to chemical and atmospheric aging, acid, salt and alkali, oils and petrol. its features make the channel surface extremely smooth, and little roughness of the surface allows the water to flow easily and void the accumulation of deposits by facilitating the cleaning. plastic Channel Drain (for draining the rain water), size 1m length having the following specifications: PVC channel ; water channel ; Thermoplastic drainage channel with male/female sliding connections. They have the different grating to meet your different requirements. terra line ditch system