rain cap model No.: 50076 (3 inch) used for exhaust system of generator set rain cap1.Model: 50050 50076 50089 50103 50114 500127 50139 50160 50219,50273,503232.material: black powder coating carbon steel 3.used for generator set muffler exhaust pipeswe have sizes from 2inch to 12 inch4.drawing;'5. iso certificate generator rain cap