Solo 4400221-P Complete Diaphragm Sprayer Pump Assembly with Valve<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fits Solo models 475， 473ecs， 477SW， 478， 478-EN， 475 DLX， 473-D， 485</li><li>Includes pressure regulator with four settings 15， 30， 45 and 60 psi</li><li>Includes all required seals and o-rings， clamp and hardware</li><li>Genuine solo replacement parts</li><li>Made in the usa</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31BjIlp5seL.jpg" noproxy>