<b>Cowl Ventilator</b><br/>(0870)<br/><br/><ul><li>Chrome Plated Zinc Alloy Cowl with Black PERKO-KOTE Base<br/><li>3 Duct Thread into Neck, Hose Clamps Not Required</li></ul><br/><br/><b>Cowl Opening Square:</b> 7-1/3 <!--- cis:y4w2Om4GJ5A= --->