Letina Tank 3950 L, 1047 gal with cooling jacket, Stainless Steel
Flat bottom is sloped from back to front (5%) to make cleanout easier.
2 Valve ports, Sample Tap, floating lid, inflatable gasket, air pump, vent 211
Tanks with Cooling Jackets. Maximum inlet pressure is 35 psi. Typical flow rate is 3-6 GPM.
Great shape!
https://stpats.com/images/SB3950-CNew.pdf