Over 6,000 types of plastic pipe plugs available for one-stop shopping. Easy for your supplier to manage all products. Made with precision molds and brand new materials, the specifics depend on the material, usage, and thickness, such as common PVC pipe sizes include 16, 20, 25, 30, 40, 50, 75, 90, 110. PVC drain pipes are available in 40, 50, 75, 90, 110, 160, 200, 250, 315, 400, 500. PVC water supply pipes come in 20, 25, 32, 40, 50, 63, 75, 90, 110, 160, 200. Price differences mainly reflect product quality and thickness, and different specifications should be used for different environments to achieve a balance between engineering quality and cost.