Varivalve 925005-00 Adjustable Angle Vent Valve<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>90 Degree angle style radiator air vent</li><li>1/8-Inch Pipe thread</li><li>Quiet operation， no clicking or hissing</li><li>Provides a means for air to be driven out of the radiator as steam enters， allowing main lines to fill quicker</li></ul></div><img src="http://ecx.images-amazon.com/images/I/418k7Ztv2sL.jpg" noproxy>