Delta Faucet RP16423 Reverse Ball<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replaces original RP212 ball</li><li>Fixes reverse supply installations</li><li>Genuine Delta repair part</li><li>For use with single handle knob lavatory faucets</li><li>Replaces original RP212 ball</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41VxvPiYXNL.jpg" noproxy>