• 45-degree fitting that is doubled up to form a 90-degree elbow where required. Used for tight radius duct transitions to ensure optimum airflow. UL 181C and UL2043 certified as part of a connector assembly. • Complies with Standard UL2043 and is identified as Classified with the ETL listed mark, control number 5016806. • Complies with Standard UL181C and is identified as Certified with the UL listing mark, file number MH64419 • PC/ABS UL94 V-0 • 10-01-020
