IMC Welded Duct Connections Down below is usually a sample in the Bell form joint. The male aspect with the joint belongs about the uphill side of a sloping duct so which the grease will drain back down. Make certain ducting is the correct dimension - if it is way https://raymonddwlan.blogdal.com/37432893/5-easy-facts-about-grease-tight-extract-ductwork-described