Attach one of these to your 18"d three shelf Starter Unit to increase the available shelving space. Adders extend the length of your existing shelf for modular storage that fits your space.
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Use the Add-On Unit as a way to extend your available shelf space. The 14 gauge steel components are as strong as they are durable, holding up to 1,400 lbs of weight. Bulk storage has never been so easy to erect!
Each style of decking has its own benefit, make sure to pick the style that's right for you.