20 hl Nerez Cidlina s.r.o. (Czech Republic) conical fermentation/lagering/serving tanks, with side manway, cooling jackets (one on bottom-cone, one on side-walls), with 2″ insulation on cone/sides/tank top head for optimal thermal isolation, and stainless steel cladding. 2.5 bar (36.25 psi) operating pressure (good for nitrogenating), approx 2300 liter gross capacity, CIP spray ball, thermowell temperature probe with RTDs, adjustable pressure relief valve (spund device) with pressure gauge for naturally carbonating beer, sample valve, PRV, sight glass with valves and outlet is 1.5″ butterfly valve with sight glass assembly. We added 2″ TC dry hop ports to tanks. We also have adapters from Euro fittings to Tri-Clamp for each tank as well as blow off tube assemblies.  Cooling ports are 1″ NPT and includes stainless pipe fittings, hose barbs and 1″ braided tubing.  These FVs crash cool very quickly! Height is 9′ 7.5″ and the diameter is 4′ 5.5″.  The CIP / blowoff arm outside edge is 4.5″ from the tank body and the sight glass is 4″ off. Replacement parts easily available from Nerez-Cidlina. Manufacturer website: https://www.nerez-cidlina.cz/en Cost is $28,000 for all 4 plus shipping.  Available immediately. Buyer pays all shipping costs.