Rectorseal 68752 1-1/2-Ounce Surgex Boiler Treatment<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Cures and prevents surging and priming within 15 minutes</li><li>inhibits corrosion</li><li>Produces clean， dry steam and steady water gauge</li><li>contains no petroleum distillates</li><li>will not harm seals or gaskets</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41S1MIExYSL.jpg" noproxy>