Porous grille pipes are called "porous" due to their multiple holes, which include single-hole, four-hole, five-hole, six-hole, nine-hole grille pipes, seven-hole honeycomb pipes, and more. Our company's porous grille communication direct-burial pipes are a type of optical cable sheath pipe, integrating the sheath and sub-pipe into one, molded in one go for aesthetic appeal. Made of lightweight PVC plastic, they feature a smooth inner wall, low friction, easy installation, and offer protection for cables. They facilitate the laying, isolation, and protection of optical cables, boasting benefits such as improved work efficiency, cost savings, and ease of installation. Suitable for basic engineering applications like fiber optic communication, cable TV, power cable multimedia transmission, and more, they are practical accessories for optical communication facilities.