Mayline 4-Post Heavy Duty Filing - Adder Unit

Mayline 4-Post Heavy Duty Filing - Adder Unit employs a unique modular design that brings your storage potential to an unlimited capacity. Start off with a basic unit and build up your storage system using Adder models. With Mayline 4-Post shelving adder systems you are free to create and alternate your storage space to fit folders, organize files, stock boxes and what not. Experience the benefits of a greater visibility, easier file retrieval, simple assembly and a large variety of upgrades.