Y Mixer Hose Connector: This hot and cold Y hose connectors is compatible with most of washers and dryers or standard 3/4" diameter water supply lines, fitting for all your water mixing needs. Great for washing your dog with blended hot and cold water or washing your car in the winter Universal Flexible Washing Machine Connector: The black rubber washing machine hose is the standard in supply lines. Construction: All these washing machine hoses are constructed of rubber designed to withstand high pressure, preventing kinking and crimping, Easy To Install: washing Machine Y mixer and hoses is quick and easy install, does not require any soldering, glue, or crimping