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There are different "Series" of steel cylinders available. The most popular are high-pressure X-Series™ cylinders, as they offer the most air in the smallest size cylinders. The next is the low-pressure LP-Series™ cylinders which offer lower fill pressures, making them ideal for dive boats and many air compressors.
The exterior of all Worthington steel cylinders are hot-dip galvanized. This highly-demanded and preferred finish is utilized on all Worthington steel cylinders. Don't be misled by claims from companies distributing steel cylinders with painted exteriors. There is no better process to protect a steel cylinder from rust and corrosion than hot-dip galvinization!
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