Rinnai 224255 90-Degree Metal Elbow for LS Series Tankless Water Heater Venting<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Zero Clearance To Combustibles</li><li>Single Penetration Through Wall For Both Intake And Exhaust</li><li>GSA Approved</li><li>May Be Required By Local Or State Code</li><li>Professional Installation Recommended</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BS-1Etx1L.jpg" noproxy>