Each of those AFCO railing options uses sturdy metal rails with the traditional rounded breadloaf-style top rail. The difference is in what goes between the rails and posts. AFCO 300 Series features metal balusters, while AFCO 150 uses full glass panels and AFCO 175 and 275 uses stainless steel cables.
AFCO Pro Full Glass Panel Railing System

Classic meets modern. AFCO Pro’s traditional breadloaf-style top rail pairs great with contemporary glass panels and sleek powder-coated metal rails. Make your deck the envy of the neighborhood!
Project plan with the pros. DecksDirect makes it easy to plan your luxurious glass deck railing, with easy-to-shop kits, specialized posts and rails, and all the installation tools you need. Plus, our team is available by phone to help you create a perfectly-tailored plan for your deck.