Check the listing for details. CX Centrex Black & Yellow Plastic Storage Shelves Compatible Leg Pipe Adapter. Condition: New. Listed at 2.99 USD. 3D Printed Made to Order (items may have small imperfections due to the FDM 3D Printing process) THESE ARE NOT SOLD AS SETS! They are sold as Individual Pieces. These are compatible with these Shelve sets. PVC Pipe is not included. CX Original Black & Yellow 4-Tier Storage Shelving Unit (model COM-4T) Centrex Plastics 48 Inch 4 Tier Indoor And Outdoor Ventilated Shelf Storage Unit (model COM-4T) To match the OEM Leg functionality, you need to have the following: 1 x 1 Inch Schedule 40 PVC pipe, 16 5/8 Inch in Length 2 x Adapters (one for the top of the PVC Pipe and 1 for the Bottom of the PVC Pipe Other lengths of PVC Pipe can be used to get custom shelf Heights. Some Local hardware Stores will cut PVC pipe for you. FormuFit makes Furniture Grade Schedule 40 PVC Pipe of different sizes and colors. Discounted Blemished ones are sometimes available, check the listing. (Blemished means that they have cosmetic Issues such as major dents, pits, discolorations) Compatible Risers, Feet, Caps, Connectors & Leg Pipe Adapters are also available for other shelves here Plastic Shelve Parts Creative Commons License This work is licensed under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 International License Items are Made To Order