Stordy Combustion FRG.4B-116KW Gas Fired Radiant Tube Burner 3.5" Tube

In Good Used Condition, Removed from a Working Environment.
3-1/2" tube OD x 14-5/8" length.
1" Gas connection,  2-1/2" air connection.
7-9/16" Flange OD.
25" Overall length.