The Metro MX21CUP is a durable polymer trilobal post designed for compatibility with MetroMax® i, MetroMax® 4, and MetroMax® Q systems. Standing at a special cut length of 20-3/16 inches, this post is ideal for use with stem casters and features adjustable height in 1-inch increments. Its corrosion-proof construction ensures longevity, while built-in Microban® antimicrobial product protection helps maintain a cleaner environment by inhibiting the growth of bacteria and mold.