Over 6,000 types of plastic pipe plugs available for one-stop shopping, making it convenient for your supplier to manage all products. All products are made using precise molds and new materials, depending on the material, usage, and thickness. For example, common PVC pipe specifications include: 16, 20, 25, 30, 40, 50, 75, 90, 110 mm for PVC wiring pipes; 40, 50, 75, 90, 110, 160, 200, 250, 315, 400, 500 mm for PVC drainage pipes; and 20, 25, 32, 40, 50, 63, 75, 90, 110, 160, 200 mm for PVC water supply pipes. Price differences mainly reflect product quality and thickness. Different specifications should be used for different environments to achieve a balance between engineering quality and cost.