Drainzit hoses are designed to make changing the oil on your small engine, easier and cleaner. They are easy and simple to install, and require no engine modifications. For  use on almost all equipment powered by gas or diesel small engines – pressure washers, lawn mowers, generators, water pumps, compressors, garden tractors and more.  Available in 1/4, 3/8 and 1/2 inch hose sizes with either metric or imperial threads. A quality product manufactured in the USA.