BRDS Rectangular Auxiliary Transfer Fuel Tank - 91 Gallon, Smooth Finish, Model# 71790 ReviewbP PP RDS Rectangular Auxiliary Transfer Fuel Tank - 91 Gallon, Smooth Finish, Model# 71790 PAluminum construction prevents rustP0.125-ga. heavy-duty aluminum tankPFully-welded seamsP100 pressure tested and submerged to test for leaksP0.187-ga.