Oatey 010205 Cherne Manometer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Used for testing gas lines and DWV pipe</li><li>Measures water columns from 0"" to 16""</li><li>Reads in increments of 1/10""</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31d4sTlMa7L.jpg" noproxy>