Special "factory only" cylinders and components can become a problem in maintaining your machine. "Maintenance Kits" are often required to keep you up and running. RAMCO uses only NFPA cylinders (National Fluid Power Association, an established industry recognized source of standards for pneumatic components) to provide the highest reliability and broad interchangeability with many standard industrial brands. Our design virtually eliminates cylinder wear for years of trouble free service. The cylinder is guaranteed for life.