Selkirk 4x6 Direct-Temp 90 Degree Elbow - Black - 4DT-E90B

90 Degree Elbow- 4DT-E90B. Selkirk 4x6. Direct Temp. Black. Replaces part# 4DT-EL90SB. 90 degree fixed elbow rotates at the joint connection to properly align when installed.