Standard Specifications: UL-142
Listing, 12 gauge carbon steel and heavier. Towable, when empty Convenient & rugged tow bar made of angle and channel Sealed with Threaded Steel Plugs below liquid level Standard Turner Openings-Four-2" openings and One emergency vent, (Single wall), and One-3/4" to 1-1/2" outlet. Our tanks undergo at least two testing procedures and are carefully inspected. Finished with a high quality Gloss Tank Red, "GTR", primer. For more demanding job uses see the
tank
UL-142
Listing, 12 gauge carbon steel and heavier. 
