Compressed air is used to power pneumatics. Compressed air is supplied by air compressors to pneumatic tools, pumps, and equipment. To maintain pneumatic parts and equipment working as expected, compressed-air treatment products remove water, oil, and other impurities from the compressed-air stream. Pneumatic tools are small and powerful. Air pistols, air grinders, air impact wrenches, air hammers, air nailers, and air riveters are just a few examples. Connecting pneumatic systems and equipment requires pneumatic hoses and fittings. To keep pneumatic systems in good operating order, replacement parts are utilized to repair and maintain them.