For Ugly Drum Smoker, use this smoke stack assembly if your drum has a solid lid without a threaded bung or if you want to use a different location on the lid of your UDS Drum Smoker.
Drill a 2 inch ID hole, set the stack over the hole and trace the bolt hole locations. Drill bolt holes using a 1/4 inch drill bit and fasten with 1/4-20 bolts.
To prevent water leaking into your smoker seal flange with hightemp RTV sealant.